76897 has 4 divisors (see below), whose sum is σ = 77616. Its totient is φ = 76180.

The previous prime is 76883. The next prime is 76907. The reversal of 76897 is 79867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 76897 - 2¹⁵ = 44129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (19404).

2⁷⁶⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

76897 is a deficient number, since it is larger than the sum of its proper divisors (719).

76897 is a wasteful number, since it uses less digits than its factorization.

76897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its digits is 21168, while the sum is 37.

The square root of 76897 is about 277.3030832861. The cubic root of 76897 is about 42.5242307040.

The spelling of 76897 in words is "seventy-six thousand, eight hundred ninety-seven".