76400801 has 2 divisors, whose sum is σ = 76400802. Its totient is φ = 76400800.

The previous prime is 76400783. The next prime is 76400861. The reversal of 76400801 is 10800467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 4558225 = 8476^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 76400801 - 2²⁶ = 9291937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76400861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38200400 + 38200401.

It is an arithmetic number, because the mean of its divisors is an integer number (38200401).

Almost surely, 2^76400801 is an apocalyptic number.

It is an amenable number.

76400801 is a deficient number, since it is larger than the sum of its proper divisors (1).

76400801 is an equidigital number, since it uses as much as digits as its factorization.

76400801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 76400801 is about 8740.7551733246. The cubic root of 76400801 is about 424.3256683452.

The spelling of 76400801 in words is "seventy-six million, four hundred thousand, eight hundred one".