86766016764 has 96 divisors (see below), whose sum is σ = 236418380800. Its totient is φ = 24756653376.

The previous prime is 86766016747. The next prime is 86766016783. The reversal of 86766016764 is 46761066768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3101889 + ... + 3129735.

Almost surely, 2^86766016764 is an apocalyptic number.

86766016764 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86766016764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118209190400).

86766016764 is an abundant number, since it is smaller than the sum of its proper divisors (149652364036).

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

86766016764 is a wasteful number, since it uses less digits than its factorization.

86766016764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632 (or 28616 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 86766016764 in words is "eighty-six billion, seven hundred sixty-six million, sixteen thousand, seven hundred sixty-four".