28996552275 has 48 divisors (see below), whose sum is σ = 49532710656. Its totient is φ = 14958357120.

The previous prime is 28996552261. The next prime is 28996552279. The reversal of 28996552275 is 57225569982.

It is not a de Polignac number, because 28996552275 - 2⁴ = 28996552259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28996552279) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288529 + ... + 375821.

It is an arithmetic number, because the mean of its divisors is an integer number (1031931472).

Almost surely, 2^28996552275 is an apocalyptic number.

28996552275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28996552275 is a deficient number, since it is larger than the sum of its proper divisors (20536158381).

28996552275 is a wasteful number, since it uses less digits than its factorization.

28996552275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87452 (or 87447 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 60.

The spelling of 28996552275 in words is "twenty-eight billion, nine hundred ninety-six million, five hundred fifty-two thousand, two hundred seventy-five".