79070078 has 4 divisors (see below), whose sum is σ = 118605120. Its totient is φ = 39535038.

The previous prime is 79070059. The next prime is 79070083. The reversal of 79070078 is 87007097.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19767518 + ... + 19767521.

It is an arithmetic number, because the mean of its divisors is an integer number (29651280).

Almost surely, 2^79070078 is an apocalyptic number.

79070078 is a deficient number, since it is larger than the sum of its proper divisors (39535042).

79070078 is a wasteful number, since it uses less digits than its factorization.

79070078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39535041.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 79070078 is about 8892.1357389550. The cubic root of 79070078 is about 429.2108801068.

The spelling of 79070078 in words is "seventy-nine million, seventy thousand, seventy-eight".