93979427 has 4 divisors (see below), whose sum is σ = 95169120. Its totient is φ = 92789736.

The previous prime is 93979423. The next prime is 93979433. The reversal of 93979427 is 72497939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72497939 = 19 ⋅3815681.

It is a cyclic number.

It is not a de Polignac number, because 93979427 - 2² = 93979423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93979423) 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, 594728 + ... + 594885.

It is an arithmetic number, because the mean of its divisors is an integer number (23792280).

Almost surely, 2^93979427 is an apocalyptic number.

93979427 is a deficient number, since it is larger than the sum of its proper divisors (1189693).

93979427 is a wasteful number, since it uses less digits than its factorization.

93979427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189692.

The product of its digits is 857304, while the sum is 50.

The square root of 93979427 is about 9694.2986853098. The cubic root of 93979427 is about 454.6504210156.

The spelling of 93979427 in words is "ninety-three million, nine hundred seventy-nine thousand, four hundred twenty-seven".