86877201816 has 24 divisors (see below), whose sum is σ = 235292421780. Its totient is φ = 28959067248.

The previous prime is 86877201809. The next prime is 86877201821. The reversal of 86877201816 is 61810277868.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 603313830 + ... + 603313973.

Almost surely, 2^86877201816 is an apocalyptic number.

It is an amenable number.

86877201816 is an abundant number, since it is smaller than the sum of its proper divisors (148415219964).

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

86877201816 is a wasteful number, since it uses less digits than its factorization.

86877201816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206627815 (or 1206627808 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

It can be divided in two parts, 8687 and 7201816, that added together give a triangular number (7210503 = T₃₇₉₇).

The spelling of 86877201816 in words is "eighty-six billion, eight hundred seventy-seven million, two hundred one thousand, eight hundred sixteen".