28455708948 has 48 divisors (see below), whose sum is σ = 70204753920. Its totient is φ = 8945701344.

The previous prime is 28455708937. The next prime is 28455708959. The reversal of 28455708948 is 84980755482.

It is an interprime number because it is at equal distance from previous prime (28455708937) and next prime (28455708959).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28455708891 and 28455708900.

It is a congruent 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, 228990 + ... + 330677.

It is an arithmetic number, because the mean of its divisors is an integer number (1462599040).

Almost surely, 2^28455708948 is an apocalyptic number.

It is an amenable number.

28455708948 is an abundant number, since it is smaller than the sum of its proper divisors (41749044972).

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

28455708948 is a wasteful number, since it uses less digits than its factorization.

28455708948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559916 (or 559914 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 28455708948 in words is "twenty-eight billion, four hundred fifty-five million, seven hundred eight thousand, nine hundred forty-eight".