76899131 has 4 divisors (see below), whose sum is σ = 78350112. Its totient is φ = 75448152.

The previous prime is 76899103. The next prime is 76899167. The reversal of 76899131 is 13199867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76899131 - 2¹⁴ = 76882747 is a prime.

It is a super-2 number, since 2×76899131² = 11826952697110322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76899331) 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, 725411 + ... + 725516.

It is an arithmetic number, because the mean of its divisors is an integer number (19587528).

Almost surely, 2^76899131 is an apocalyptic number.

76899131 is a deficient number, since it is larger than the sum of its proper divisors (1450981).

76899131 is a wasteful number, since it uses less digits than its factorization.

76899131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450980.

The product of its digits is 81648, while the sum is 44.

The square root of 76899131 is about 8769.2149591625. The cubic root of 76899131 is about 425.2462351642.

It can be divided in two parts, 768 and 99131, that added together give a palindrome (99899).

The spelling of 76899131 in words is "seventy-six million, eight hundred ninety-nine thousand, one hundred thirty-one".