76679899 has 4 divisors (see below), whose sum is σ = 77168464. Its totient is φ = 76191336.

The previous prime is 76679893. The next prime is 76679903. The reversal of 76679899 is 99897667.

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 76679899 - 2³ = 76679891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76679891) 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, 244047 + ... + 244360.

It is an arithmetic number, because the mean of its divisors is an integer number (19292116).

Almost surely, 2^76679899 is an apocalyptic number.

76679899 is a deficient number, since it is larger than the sum of its proper divisors (488565).

76679899 is a wasteful number, since it uses less digits than its factorization.

76679899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488564.

The product of its digits is 10287648, while the sum is 61.

The square root of 76679899 is about 8756.7059445890. The cubic root of 76679899 is about 424.8417385364.

The spelling of 76679899 in words is "seventy-six million, six hundred seventy-nine thousand, eight hundred ninety-nine".