79969066 has 8 divisors (see below), whose sum is σ = 124090020. Its totient is φ = 38605728.

The previous prime is 79969039. The next prime is 79969111. The reversal of 79969066 is 66096997.

It can be written as a sum of positive squares in 2 ways, for example, as 75325041 + 4644025 = 8679^2 + 2155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689331 + ... + 689446.

Almost surely, 2^79969066 is an apocalyptic number.

79969066 is a deficient number, since it is larger than the sum of its proper divisors (44120954).

79969066 is a wasteful number, since it uses less digits than its factorization.

79969066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378808.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 79969066 is about 8942.5424796307. The cubic root of 79969066 is about 430.8313931109.

The spelling of 79969066 in words is "seventy-nine million, nine hundred sixty-nine thousand, sixty-six".