79893954 has 24 divisors (see below), whose sum is σ = 197832960. Its totient is φ = 22826808.

The previous prime is 79893911. The next prime is 79893959. The reversal of 79893954 is 45939897.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79893954.

It is not an unprimeable number, because it can be changed into a prime (79893959) 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 11 ways as a sum of consecutive naturals, for example, 316914 + ... + 317165.

It is an arithmetic number, because the mean of its divisors is an integer number (8243040).

Almost surely, 2^79893954 is an apocalyptic number.

79893954 is an abundant number, since it is smaller than the sum of its proper divisors (117939006).

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

79893954 is a wasteful number, since it uses less digits than its factorization.

79893954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634094 (or 634091 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 79893954 is about 8938.3417925251. The cubic root of 79893954 is about 430.6964628342.

The spelling of 79893954 in words is "seventy-nine million, eight hundred ninety-three thousand, nine hundred fifty-four".