86985040625 has 24 divisors (see below), whose sum is σ = 124256422080. Its totient is φ = 59646870000.

The previous prime is 86985040621. The next prime is 86985040687. The reversal of 86985040625 is 52604058968.

It is not a de Polignac number, because 86985040625 - 2² = 86985040621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86985040621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1966355 + ... + 2010104.

It is an arithmetic number, because the mean of its divisors is an integer number (5177350920).

Almost surely, 2^86985040625 is an apocalyptic number.

It is an amenable number.

86985040625 is a deficient number, since it is larger than the sum of its proper divisors (37271381455).

86985040625 is an frugal number, since it uses more digits than its factorization.

86985040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976491 (or 3976471 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 86985040625 in words is "eighty-six billion, nine hundred eighty-five million, forty thousand, six hundred twenty-five".