85807428462373 has 4 divisors (see below), whose sum is σ = 85824703971360. Its totient is φ = 85790152953388.

The previous prime is 85807428462361. The next prime is 85807428462389. The reversal of 85807428462373 is 37326482470858.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85807428462373 - 2¹⁷ = 85807428331301 is a prime.

It is a super-2 number, since 2×85807428462373² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85807428462299 and 85807428462308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85807428162373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8637747043 + ... + 8637756976.

It is an arithmetic number, because the mean of its divisors is an integer number (21456175992840).

Almost surely, 2^{85807428462373} is an apocalyptic number.

It is an amenable number.

85807428462373 is a deficient number, since it is larger than the sum of its proper divisors (17275508987).

85807428462373 is a wasteful number, since it uses less digits than its factorization.

85807428462373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275508986.

The product of its (nonzero) digits is 433520640, while the sum is 67.

The spelling of 85807428462373 in words is "eighty-five trillion, eight hundred seven billion, four hundred twenty-eight million, four hundred sixty-two thousand, three hundred seventy-three".