79949954 has 8 divisors (see below), whose sum is σ = 137057088. Its totient is φ = 34264260.

The previous prime is 79949953. The next prime is 79949957. The reversal of 79949954 is 45994997.

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

It is a super-3 number, since 3×79949954³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79949954.

It is not an unprimeable number, because it can be changed into a prime (79949953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855342 + ... + 2855369.

It is an arithmetic number, because the mean of its divisors is an integer number (17132136).

Almost surely, 2^79949954 is an apocalyptic number.

79949954 is a deficient number, since it is larger than the sum of its proper divisors (57107134).

79949954 is a wasteful number, since it uses less digits than its factorization.

79949954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710720.

The product of its digits is 3674160, while the sum is 56.

The square root of 79949954 is about 8941.4738158762. The cubic root of 79949954 is about 430.7970685650.

The spelling of 79949954 in words is "seventy-nine million, nine hundred forty-nine thousand, nine hundred fifty-four".