28110770402 has 32 divisors (see below), whose sum is σ = 49789422144. Its totient is φ = 11734833600.

The previous prime is 28110770383. The next prime is 28110770437. The reversal of 28110770402 is 20407701182.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193124 + ... + 305807.

It is an arithmetic number, because the mean of its divisors is an integer number (1555919442).

Almost surely, 2^28110770402 is an apocalyptic number.

28110770402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28110770402 is a deficient number, since it is larger than the sum of its proper divisors (21678651742).

28110770402 is a wasteful number, since it uses less digits than its factorization.

28110770402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499154.

The product of its (nonzero) digits is 6272, while the sum is 32.

The spelling of 28110770402 in words is "twenty-eight billion, one hundred ten million, seven hundred seventy thousand, four hundred two".