28649860582 has 16 divisors (see below), whose sum is σ = 49132215072. Its totient is φ = 12273969600.

The previous prime is 28649860579. The next prime is 28649860601. The reversal of 28649860582 is 28506894682.

It is a super-2 number, since 2×28649860582² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339169 + ... + 415132.

It is an arithmetic number, because the mean of its divisors is an integer number (3070763442).

Almost surely, 2^28649860582 is an apocalyptic number.

28649860582 is a deficient number, since it is larger than the sum of its proper divisors (20482354490).

28649860582 is a wasteful number, since it uses less digits than its factorization.

28649860582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757023.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 28649860582 in words is "twenty-eight billion, six hundred forty-nine million, eight hundred sixty thousand, five hundred eighty-two".