85983952025 has 12 divisors (see below), whose sum is σ = 106626594732. Its totient is φ = 68782971840.

The previous prime is 85983952009. The next prime is 85983952091. The reversal of 85983952025 is 52025938958.

It can be written as a sum of positive squares in 6 ways, for example, as 4455429001 + 81528523024 = 66749^2 + 285532^2 .

It is not a de Polignac number, because 85983952025 - 2⁴ = 85983952009 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353159 + ... + 544691.

It is an arithmetic number, because the mean of its divisors is an integer number (8885549561).

Almost surely, 2^85983952025 is an apocalyptic number.

It is an amenable number.

85983952025 is a deficient number, since it is larger than the sum of its proper divisors (20642642707).

85983952025 is a wasteful number, since it uses less digits than its factorization.

85983952025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209500 (or 209495 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 56.

The spelling of 85983952025 in words is "eighty-five billion, nine hundred eighty-three million, nine hundred fifty-two thousand, twenty-five".