86650840788 has 24 divisors (see below), whose sum is σ = 202513003392. Its totient is φ = 28836798144.

The previous prime is 86650840763. The next prime is 86650840823. The reversal of 86650840788 is 88704805668.

It is a congruent number.

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, 5844220 + ... + 5859027.

It is an arithmetic number, because the mean of its divisors is an integer number (8438041808).

Almost surely, 2^86650840788 is an apocalyptic number.

It is an amenable number.

86650840788 is an abundant number, since it is smaller than the sum of its proper divisors (115862162604).

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

86650840788 is a wasteful number, since it uses less digits than its factorization.

86650840788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703871 (or 11703869 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 86650840788 in words is "eighty-six billion, six hundred fifty million, eight hundred forty thousand, seven hundred eighty-eight".