79769071 has 8 divisors (see below), whose sum is σ = 81654560. Its totient is φ = 77912496.

The previous prime is 79769069. The next prime is 79769099. The reversal of 79769071 is 17096797.

It is not a de Polignac number, because 79769071 - 2¹ = 79769069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79769021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774406 + ... + 774508.

It is an arithmetic number, because the mean of its divisors is an integer number (10206820).

Almost surely, 2^79769071 is an apocalyptic number.

79769071 is a deficient number, since it is larger than the sum of its proper divisors (1885489).

79769071 is an frugal number, since it uses more digits than its factorization.

79769071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 46.

The square root of 79769071 is about 8931.3532569259. The cubic root of 79769071 is about 430.4719372273.

The spelling of 79769071 in words is "seventy-nine million, seven hundred sixty-nine thousand, seventy-one".