44887897857 has 64 divisors (see below), whose sum is σ = 68401428480. Its totient is φ = 25942924800.

The previous prime is 44887897807. The next prime is 44887897861. The reversal of 44887897857 is 75879878844.

44887897857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44887897857 - 2⁸ = 44887897601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44887897807) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22013644 + ... + 22015682.

It is an arithmetic number, because the mean of its divisors is an integer number (1068772320).

Almost surely, 2^44887897857 is an apocalyptic number.

It is an amenable number.

44887897857 is a deficient number, since it is larger than the sum of its proper divisors (23513530623).

44887897857 is a wasteful number, since it uses less digits than its factorization.

44887897857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454.

The product of its digits is 1011548160, while the sum is 75.

The spelling of 44887897857 in words is "forty-four billion, eight hundred eighty-seven million, eight hundred ninety-seven thousand, eight hundred fifty-seven".