79261668 has 36 divisors (see below), whose sum is σ = 206821888. Its totient is φ = 25567920.

The previous prime is 79261649. The next prime is 79261687. The reversal of 79261668 is 86616297.

It is an interprime number because it is at equal distance from previous prime (79261649) and next prime (79261687).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34396 + ... + 36627.

Almost surely, 2^79261668 is an apocalyptic number.

It is an amenable number.

79261668 is an abundant number, since it is smaller than the sum of its proper divisors (127560220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79261668 is a wasteful number, since it uses less digits than its factorization.

79261668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71064 (or 71059 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 79261668 is about 8902.9022234325. The cubic root of 79261668 is about 429.5572656013.

The spelling of 79261668 in words is "seventy-nine million, two hundred sixty-one thousand, six hundred sixty-eight".