79922078 has 16 divisors (see below), whose sum is σ = 122402880. Its totient is φ = 39127200.

The previous prime is 79922077. The next prime is 79922099. The reversal of 79922078 is 87022997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79922077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27788 + ... + 30528.

It is an arithmetic number, because the mean of its divisors is an integer number (7650180).

Almost surely, 2^79922078 is an apocalyptic number.

79922078 is a deficient number, since it is larger than the sum of its proper divisors (42480802).

79922078 is a wasteful number, since it uses less digits than its factorization.

79922078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 79922078 is about 8939.9148765522. The cubic root of 79922078 is about 430.7469943437.

The spelling of 79922078 in words is "seventy-nine million, nine hundred twenty-two thousand, seventy-eight".