28623203279 has 12 divisors (see below), whose sum is σ = 31483139688. Its totient is φ = 26003501040.

The previous prime is 28623203243. The next prime is 28623203281. The reversal of 28623203279 is 97230232682.

It is not a de Polignac number, because 28623203279 - 2²⁴ = 28606426063 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28623203879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101432 + ... + 259874.

It is an arithmetic number, because the mean of its divisors is an integer number (2623594974).

Almost surely, 2^28623203279 is an apocalyptic number.

28623203279 is a deficient number, since it is larger than the sum of its proper divisors (2859936409).

28623203279 is a wasteful number, since it uses less digits than its factorization.

28623203279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159958 (or 159947 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 28623203279 in words is "twenty-eight billion, six hundred twenty-three million, two hundred three thousand, two hundred seventy-nine".