76625621899 has 4 divisors (see below), whose sum is σ = 77595566560. Its totient is φ = 75655677240.

The previous prime is 76625621893. The next prime is 76625621909. The reversal of 76625621899 is 99812652667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76625621899 - 2¹³ = 76625613707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76625621893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484972212 + ... + 484972369.

It is an arithmetic number, because the mean of its divisors is an integer number (19398891640).

Almost surely, 2^76625621899 is an apocalyptic number.

76625621899 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

76625621899 is a deficient number, since it is larger than the sum of its proper divisors (969944661).

76625621899 is an equidigital number, since it uses as much as digits as its factorization.

76625621899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969944660.

The product of its digits is 19595520, while the sum is 61.

The spelling of 76625621899 in words is "seventy-six billion, six hundred twenty-five million, six hundred twenty-one thousand, eight hundred ninety-nine".