28626577276 has 24 divisors (see below), whose sum is σ = 54655606656. Its totient is φ = 13010921520.

The previous prime is 28626577267. The next prime is 28626577313. The reversal of 28626577276 is 67277562682.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28626577276.

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, 648625 + ... + 691351.

It is an arithmetic number, because the mean of its divisors is an integer number (2277316944).

Almost surely, 2^28626577276 is an apocalyptic number.

It is an amenable number.

28626577276 is a deficient number, since it is larger than the sum of its proper divisors (26029029380).

28626577276 is a wasteful number, since it uses less digits than its factorization.

28626577276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57969 (or 57967 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 58.

It can be divided in two parts, 286 and 26577276, that added together give a palindrome (26577562).

The spelling of 28626577276 in words is "twenty-eight billion, six hundred twenty-six million, five hundred seventy-seven thousand, two hundred seventy-six".