79955001 has 48 divisors (see below), whose sum is σ = 138153600. Its totient is φ = 43593984.

The previous prime is 79954999. The next prime is 79955003. The reversal of 79955001 is 10055997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79954999) and next prime (79955003).

It is not a de Polignac number, because 79955001 - 2¹ = 79954999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79955003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195285 + ... + 195693.

It is an arithmetic number, because the mean of its divisors is an integer number (2878200).

Almost surely, 2^79955001 is an apocalyptic number.

It is an amenable number.

79955001 is a deficient number, since it is larger than the sum of its proper divisors (58198599).

79955001 is a wasteful number, since it uses less digits than its factorization.

79955001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 79955001 is about 8941.7560355894. The cubic root of 79955001 is about 430.8061333484.

It can be divided in two parts, 7995 and 5001, that added together give a square (12996 = 114²).

The spelling of 79955001 in words is "seventy-nine million, nine hundred fifty-five thousand, one".