85897502419 has 4 divisors (see below), whose sum is σ = 85979388600. Its totient is φ = 85815616240.

The previous prime is 85897502387. The next prime is 85897502423. The reversal of 85897502419 is 91420579858.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91420579858 = 2 ⋅45710289929.

It is a cyclic number.

It is not a de Polignac number, because 85897502419 - 2⁵ = 85897502387 is a prime.

It is a super-2 number, since 2×85897502419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85897500419) 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, 40941517 + ... + 40943614.

It is an arithmetic number, because the mean of its divisors is an integer number (21494847150).

Almost surely, 2^85897502419 is an apocalyptic number.

85897502419 is a deficient number, since it is larger than the sum of its proper divisors (81886181).

85897502419 is a wasteful number, since it uses less digits than its factorization.

85897502419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81886180.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 85897502419 in words is "eighty-five billion, eight hundred ninety-seven million, five hundred two thousand, four hundred nineteen".