86789554820 has 24 divisors (see below), whose sum is σ = 186496626624. Its totient is φ = 33908476896.

The previous prime is 86789554799. The next prime is 86789554847. The reversal of 86789554820 is 2845598768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50458184 + ... + 50459903.

It is an arithmetic number, because the mean of its divisors is an integer number (7770692776).

Almost surely, 2^86789554820 is an apocalyptic number.

It is an amenable number.

86789554820 is an abundant number, since it is smaller than the sum of its proper divisors (99707071804).

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

86789554820 is a wasteful number, since it uses less digits than its factorization.

86789554820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100918139 (or 100918137 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 86789554820 in words is "eighty-six billion, seven hundred eighty-nine million, five hundred fifty-four thousand, eight hundred twenty".