28099883226 has 64 divisors (see below), whose sum is σ = 58485030912. Its totient is φ = 8991000000.

The previous prime is 28099883191. The next prime is 28099883261. The reversal of 28099883226 is 62238899082.

It is an interprime number because it is at equal distance from previous prime (28099883191) and next prime (28099883261).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12650796 + ... + 12653016.

It is an arithmetic number, because the mean of its divisors is an integer number (913828608).

Almost surely, 2^28099883226 is an apocalyptic number.

28099883226 is an abundant number, since it is smaller than the sum of its proper divisors (30385147686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28099883226 is a wasteful number, since it uses less digits than its factorization.

28099883226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 28099883226 in words is "twenty-eight billion, ninety-nine million, eight hundred eighty-three thousand, two hundred twenty-six".