45857931879 has 8 divisors (see below), whose sum is σ = 61151786352. Its totient is φ = 30568016000.

The previous prime is 45857931869. The next prime is 45857931887. The reversal of 45857931879 is 97813975854.

It is a happy number.

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 45857931879 - 2¹⁶ = 45857866343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45857931809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957372 + ... + 1004129.

It is an arithmetic number, because the mean of its divisors is an integer number (7643973294).

Almost surely, 2^45857931879 is an apocalyptic number.

45857931879 is a deficient number, since it is larger than the sum of its proper divisors (15293854473).

45857931879 is a wasteful number, since it uses less digits than its factorization.

45857931879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969297.

The product of its digits is 76204800, while the sum is 66.

The spelling of 45857931879 in words is "forty-five billion, eight hundred fifty-seven million, nine hundred thirty-one thousand, eight hundred seventy-nine".