761878512 has 60 divisors (see below), whose sum is σ = 2134097784. Its totient is φ = 253733760.

The previous prime is 761878489. The next prime is 761878531. The reversal of 761878512 is 215878167.

It is a happy number.

761878512 is a `hidden beast` number, since 7 + 61 + 8 + 78 + 512 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266563 + ... + 269405.

Almost surely, 2^761878512 is an apocalyptic number.

761878512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

761878512 is an abundant number, since it is smaller than the sum of its proper divisors (1372219272).

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

761878512 is a wasteful number, since it uses less digits than its factorization.

761878512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4709 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 761878512 is about 27602.1468730242. The cubic root of 761878512 is about 913.3317915449.

The spelling of 761878512 in words is "seven hundred sixty-one million, eight hundred seventy-eight thousand, five hundred twelve".