86253777573612 has 72 divisors (see below), whose sum is σ = 221834574662400. Its totient is φ = 26064701768160.

The previous prime is 86253777573581. The next prime is 86253777573641. The reversal of 86253777573612 is 21637577735268.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82213312 + ... + 83255847.

It is an arithmetic number, because the mean of its divisors is an integer number (3081035759200).

Almost surely, 2^{86253777573612} is an apocalyptic number.

It is an amenable number.

86253777573612 is an abundant number, since it is smaller than the sum of its proper divisors (135580797088788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86253777573612 is a wasteful number, since it uses less digits than its factorization.

86253777573612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165469547 (or 165469534 counting only the distinct ones).

The product of its digits is 622339200, while the sum is 69.

The spelling of 86253777573612 in words is "eighty-six trillion, two hundred fifty-three billion, seven hundred seventy-seven million, five hundred seventy-three thousand, six hundred twelve".