86797253961 has 24 divisors (see below), whose sum is σ = 139352031936. Its totient is φ = 51611857440.

The previous prime is 86797253941. The next prime is 86797253969. The reversal of 86797253961 is 16935279768.

86797253961 is a `hidden beast` number, since 8 + 6 + 7 + 97 + 2 + 539 + 6 + 1 = 666.

It is not a de Polignac number, because 86797253961 - 2⁶ = 86797253897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86797253969) 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, 8265885 + ... + 8276378.

It is an arithmetic number, because the mean of its divisors is an integer number (5806334664).

Almost surely, 2^86797253961 is an apocalyptic number.

It is an amenable number.

86797253961 is a deficient number, since it is larger than the sum of its proper divisors (52554777975).

86797253961 is a wasteful number, since it uses less digits than its factorization.

86797253961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542333 (or 16542330 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 86797253961 in words is "eighty-six billion, seven hundred ninety-seven million, two hundred fifty-three thousand, nine hundred sixty-one".