76899897 has 24 divisors (see below), whose sum is σ = 117877760. Its totient is φ = 48172320.

The previous prime is 76899883. The next prime is 76899899. The reversal of 76899897 is 79899867.

It is not a de Polignac number, because 76899897 - 2¹⁵ = 76867129 is a prime.

It is a super-2 number, since 2×76899897² = 11827188317221218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76899899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19947 + ... + 23487.

Almost surely, 2^76899897 is an apocalyptic number.

It is an amenable number.

76899897 is a deficient number, since it is larger than the sum of its proper divisors (40977863).

76899897 is a wasteful number, since it uses less digits than its factorization.

76899897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693 (or 3690 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The square root of 76899897 is about 8769.2586345711. The cubic root of 76899897 is about 425.2476471330.

The spelling of 76899897 in words is "seventy-six million, eight hundred ninety-nine thousand, eight hundred ninety-seven".