85278960525 has 48 divisors (see below), whose sum is σ = 153982430208. Its totient is φ = 41301624000.

The previous prime is 85278960521. The next prime is 85278960553. The reversal of 85278960525 is 52506987258.

It is not a de Polignac number, because 85278960525 - 2² = 85278960521 is a prime.

It is a super-2 number, since 2×85278960525² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85278960521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694842 + ... + 808308.

It is an arithmetic number, because the mean of its divisors is an integer number (3207967296).

Almost surely, 2^85278960525 is an apocalyptic number.

It is an amenable number.

85278960525 is a deficient number, since it is larger than the sum of its proper divisors (68703469683).

85278960525 is a wasteful number, since it uses less digits than its factorization.

85278960525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114402 (or 114397 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 85278960525 in words is "eighty-five billion, two hundred seventy-eight million, nine hundred sixty thousand, five hundred twenty-five".