44979887 has 4 divisors (see below), whose sum is σ = 45102816. Its totient is φ = 44856960.

The previous prime is 44979877. The next prime is 44979923. The reversal of 44979887 is 78897944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44979887 - 2⁴ = 44979871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44979877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60914 + ... + 61647.

It is an arithmetic number, because the mean of its divisors is an integer number (11275704).

Almost surely, 2^44979887 is an apocalyptic number.

44979887 is a deficient number, since it is larger than the sum of its proper divisors (122929).

44979887 is a wasteful number, since it uses less digits than its factorization.

44979887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122928.

The product of its digits is 4064256, while the sum is 56.

The square root of 44979887 is about 6706.7046304426. The cubic root of 44979887 is about 355.6363301112.

The spelling of 44979887 in words is "forty-four million, nine hundred seventy-nine thousand, eight hundred eighty-seven".