86513122740 has 192 divisors, whose sum is σ = 283177036800. Its totient is φ = 19501148160.

The previous prime is 86513122687. The next prime is 86513122753. The reversal of 86513122740 is 4722131568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 884811 + ... + 977709.

It is an arithmetic number, because the mean of its divisors is an integer number (1474880400).

Almost surely, 2^86513122740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86513122740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141588518400).

86513122740 is an abundant number, since it is smaller than the sum of its proper divisors (196663914060).

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

86513122740 is a wasteful number, since it uses less digits than its factorization.

86513122740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93022 (or 93020 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 86513122740 in words is "eighty-six billion, five hundred thirteen million, one hundred twenty-two thousand, seven hundred forty".