761880864 has 24 divisors (see below), whose sum is σ = 1999937520. Its totient is φ = 253960256.

The previous prime is 761880863. The next prime is 761880877. The reversal of 761880864 is 468088167.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (761880863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968034 + ... + 3968225.

It is an arithmetic number, because the mean of its divisors is an integer number (83330730).

Almost surely, 2^761880864 is an apocalyptic number.

It is an amenable number.

761880864 is an abundant number, since it is smaller than the sum of its proper divisors (1238056656).

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

761880864 is a wasteful number, since it uses less digits than its factorization.

761880864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936272 (or 7936264 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 761880864 is about 27602.1894783729. The cubic root of 761880864 is about 913.3327313948.

The spelling of 761880864 in words is "seven hundred sixty-one million, eight hundred eighty thousand, eight hundred sixty-four".