45638879 has 16 divisors (see below), whose sum is σ = 53813760. Its totient is φ = 38158560.

The previous prime is 45638869. The next prime is 45638881. The reversal of 45638879 is 97883654.

It is not a de Polignac number, because 45638879 - 2⁸ = 45638623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45638869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62414 + ... + 63140.

It is an arithmetic number, because the mean of its divisors is an integer number (3363360).

Almost surely, 2^45638879 is an apocalyptic number.

45638879 is a deficient number, since it is larger than the sum of its proper divisors (8174881).

45638879 is a wasteful number, since it uses less digits than its factorization.

45638879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190.

The product of its digits is 1451520, while the sum is 50.

The square root of 45638879 is about 6755.6553346067. The cubic root of 45638879 is about 357.3647040484.

The spelling of 45638879 in words is "forty-five million, six hundred thirty-eight thousand, eight hundred seventy-nine".