86550491736 has 64 divisors (see below), whose sum is σ = 240511471200. Its totient is φ = 28838951424.

The previous prime is 86550491717. The next prime is 86550491777. The reversal of 86550491736 is 63719405568.

86550491736 is a `hidden beast` number, since 8 + 6 + 550 + 49 + 17 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488716 + ... + 641828.

Almost surely, 2^86550491736 is an apocalyptic number.

It is an amenable number.

86550491736 is an abundant number, since it is smaller than the sum of its proper divisors (153960979464).

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

86550491736 is a wasteful number, since it uses less digits than its factorization.

86550491736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155745 (or 155735 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 86550491736 in words is "eighty-six billion, five hundred fifty million, four hundred ninety-one thousand, seven hundred thirty-six".