86790016780 has 24 divisors (see below), whose sum is σ = 191851616880. Its totient is φ = 32888848320.

The previous prime is 86790016759. The next prime is 86790016843. The reversal of 86790016780 is 8761009768.

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, 114197011 + ... + 114197770.

It is an arithmetic number, because the mean of its divisors is an integer number (7993817370).

Almost surely, 2^86790016780 is an apocalyptic number.

It is an amenable number.

86790016780 is an abundant number, since it is smaller than the sum of its proper divisors (105061600100).

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

86790016780 is a wasteful number, since it uses less digits than its factorization.

86790016780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228394809 (or 228394807 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 86790016780 in words is "eighty-six billion, seven hundred ninety million, sixteen thousand, seven hundred eighty".