87373422047 has 4 divisors (see below), whose sum is σ = 87377243400. Its totient is φ = 87369600696.

The previous prime is 87373422023. The next prime is 87373422083. The reversal of 87373422047 is 74022437378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87373422047 - 2⁸ = 87373421791 is a prime.

It is a super-2 number, since 2×87373422047² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87373421992 and 87373422010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87373427047) 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, 1876172 + ... + 1922177.

It is an arithmetic number, because the mean of its divisors is an integer number (21844310850).

Almost surely, 2^87373422047 is an apocalyptic number.

87373422047 is a deficient number, since it is larger than the sum of its proper divisors (3821353).

87373422047 is a wasteful number, since it uses less digits than its factorization.

87373422047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821352.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 87373422047 in words is "eighty-seven billion, three hundred seventy-three million, four hundred twenty-two thousand, forty-seven".