86265937805538 has 16 divisors (see below), whose sum is σ = 172536993681696. Its totient is φ = 28754459590080.

The previous prime is 86265937805533. The next prime is 86265937805599. The reversal of 86265937805538 is 83550873956268.

It is a self number, because there is not a number n which added to its sum of digits gives 86265937805538.

It is not an unprimeable number, because it can be changed into a prime (86265937805533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213033808 + ... + 213438363.

It is an arithmetic number, because the mean of its divisors is an integer number (10783562105106).

Almost surely, 2^{86265937805538} is an apocalyptic number.

86265937805538 is an abundant number, since it is smaller than the sum of its proper divisors (86271055876158).

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

86265937805538 is a wasteful number, since it uses less digits than its factorization.

86265937805538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426505889.

The product of its (nonzero) digits is 2612736000, while the sum is 75.

The spelling of 86265937805538 in words is "eighty-six trillion, two hundred sixty-five billion, nine hundred thirty-seven million, eight hundred five thousand, five hundred thirty-eight".