79801099 has 32 divisors (see below), whose sum is σ = 100270080. Its totient is φ = 62013600.

The previous prime is 79801079. The next prime is 79801123. The reversal of 79801099 is 99010897.

It is a cyclic number.

It is not a de Polignac number, because 79801099 - 2⁵ = 79801067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79801039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294334 + ... + 294604.

It is an arithmetic number, because the mean of its divisors is an integer number (3133440).

Almost surely, 2^79801099 is an apocalyptic number.

79801099 is a deficient number, since it is larger than the sum of its proper divisors (20468981).

79801099 is a wasteful number, since it uses less digits than its factorization.

79801099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 79801099 is about 8933.1460863461. The cubic root of 79801099 is about 430.5295423041.

The spelling of 79801099 in words is "seventy-nine million, eight hundred one thousand, ninety-nine".