76312897 has 2 divisors, whose sum is σ = 76312898. Its totient is φ = 76312896.

The previous prime is 76312877. The next prime is 76312909. The reversal of 76312897 is 79821367.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 24990001 = 7164^2 + 4999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76312897 is a prime.

It is a super-3 number, since 3×76312897³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (76312877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38156448 + 38156449.

It is an arithmetic number, because the mean of its divisors is an integer number (38156449).

Almost surely, 2^76312897 is an apocalyptic number.

It is an amenable number.

76312897 is a deficient number, since it is larger than the sum of its proper divisors (1).

76312897 is an equidigital number, since it uses as much as digits as its factorization.

76312897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 76312897 is about 8735.7253276417. The cubic root of 76312897 is about 424.1628679665.

The spelling of 76312897 in words is "seventy-six million, three hundred twelve thousand, eight hundred ninety-seven".