85872055687725 has 48 divisors (see below), whose sum is σ = 143722343181312. Its totient is φ = 45235094842560.

The previous prime is 85872055687709. The next prime is 85872055687729. The reversal of 85872055687725 is 52778655027858.

It is not a de Polignac number, because 85872055687725 - 2⁴ = 85872055687709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85872055687729) 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, 22662492 + ... + 26178858.

It is an arithmetic number, because the mean of its divisors is an integer number (2994215482944).

Almost surely, 2^{85872055687725} is an apocalyptic number.

It is an amenable number.

85872055687725 is a deficient number, since it is larger than the sum of its proper divisors (57850287493587).

85872055687725 is a wasteful number, since it uses less digits than its factorization.

85872055687725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520386 (or 3520381 counting only the distinct ones).

The product of its (nonzero) digits is 2634240000, while the sum is 75.

The spelling of 85872055687725 in words is "eighty-five trillion, eight hundred seventy-two billion, fifty-five million, six hundred eighty-seven thousand, seven hundred twenty-five".