28353078740 has 72 divisors (see below), whose sum is σ = 69290212320. Its totient is φ = 9717169728.

The previous prime is 28353078667. The next prime is 28353078781. The reversal of 28353078740 is 4787035382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3581867 + ... + 3589773.

It is an arithmetic number, because the mean of its divisors is an integer number (962364060).

Almost surely, 2^28353078740 is an apocalyptic number.

28353078740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28353078740 is an abundant number, since it is smaller than the sum of its proper divisors (40937133580).

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

28353078740 is a wasteful number, since it uses less digits than its factorization.

28353078740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11589 (or 11580 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 28353078740 in words is "twenty-eight billion, three hundred fifty-three million, seventy-eight thousand, seven hundred forty".