28610331371857 has 16 divisors (see below), whose sum is σ = 28865390757120. Its totient is φ = 28355953709952.

The previous prime is 28610331371801. The next prime is 28610331371911. The reversal of 28610331371857 is 75817313301682.

It is a cyclic number.

It is not a de Polignac number, because 28610331371857 - 2³⁹ = 28060575557969 is a prime.

It is a super-2 number, since 2×28610331371857² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28610331371798 and 28610331371807.

It is not an unprimeable number, because it can be changed into a prime (28610331371057) 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, 851760019 + ... + 851793607.

It is an arithmetic number, because the mean of its divisors is an integer number (1804086922320).

Almost surely, 2^{28610331371857} is an apocalyptic number.

It is an amenable number.

28610331371857 is a deficient number, since it is larger than the sum of its proper divisors (255059385263).

28610331371857 is a wasteful number, since it uses less digits than its factorization.

28610331371857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43512.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 28610331371857 in words is "twenty-eight trillion, six hundred ten billion, three hundred thirty-one million, three hundred seventy-one thousand, eight hundred fifty-seven".