45977879 has 8 divisors (see below), whose sum is σ = 47752320. Its totient is φ = 44235576.

The previous prime is 45977857. The next prime is 45977881. The reversal of 45977879 is 97877954.

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

It is a cyclic number.

It is not a de Polignac number, because 45977879 - 2⁸ = 45977623 is a prime.

It is a super-2 number, since 2×45977879² = 4227930714677282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44977879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5099 + ... + 10860.

It is an arithmetic number, because the mean of its divisors is an integer number (5969040).

Almost surely, 2^45977879 is an apocalyptic number.

45977879 is a deficient number, since it is larger than the sum of its proper divisors (1774441).

45977879 is a wasteful number, since it uses less digits than its factorization.

45977879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069.

The product of its digits is 4445280, while the sum is 56.

The square root of 45977879 is about 6780.6990052649. The cubic root of 45977879 is about 358.2473426736.

The spelling of 45977879 in words is "forty-five million, nine hundred seventy-seven thousand, eight hundred seventy-nine".