864149770760 has 64 divisors (see below), whose sum is σ = 1951228569600. Its totient is φ = 344436430336.

The previous prime is 864149770741. The next prime is 864149770763. The reversal of 864149770760 is 67077941468.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 864149770760.

It is not an unprimeable number, because it can be changed into a prime (864149770763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16780331 + ... + 16831749.

It is an arithmetic number, because the mean of its divisors is an integer number (30487946400).

Almost surely, 2^864149770760 is an apocalyptic number.

It is an amenable number.

864149770760 is an abundant number, since it is smaller than the sum of its proper divisors (1087078798840).

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

864149770760 is a wasteful number, since it uses less digits than its factorization.

864149770760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910 (or 52906 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 864149770760 in words is "eight hundred sixty-four billion, one hundred forty-nine million, seven hundred seventy thousand, seven hundred sixty".