76625621819 has 2 divisors, whose sum is σ = 76625621820. Its totient is φ = 76625621818.

The previous prime is 76625621791. The next prime is 76625621893. The reversal of 76625621819 is 91812652667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76625621819 - 2⁸ = 76625621563 is a prime.

It is a super-2 number, since 2×76625621819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76625629819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38312810909 + 38312810910.

It is an arithmetic number, because the mean of its divisors is an integer number (38312810910).

Almost surely, 2^76625621819 is an apocalyptic number.

76625621819 is a deficient number, since it is larger than the sum of its proper divisors (1).

76625621819 is an equidigital number, since it uses as much as digits as its factorization.

76625621819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The spelling of 76625621819 in words is "seventy-six billion, six hundred twenty-five million, six hundred twenty-one thousand, eight hundred nineteen".