28913497470 has 96 divisors (see below), whose sum is σ = 88317631584. Its totient is φ = 6470150400.

The previous prime is 28913497463. The next prime is 28913497471. The reversal of 28913497470 is 7479431982.

28913497470 is a `hidden beast` number, since 2 + 89 + 1 + 3 + 4 + 97 + 470 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28913497471) 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, 1110421 + ... + 1136160.

It is an arithmetic number, because the mean of its divisors is an integer number (919975329).

Almost surely, 2^28913497470 is an apocalyptic number.

28913497470 is an abundant number, since it is smaller than the sum of its proper divisors (59404134114).

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

28913497470 is a wasteful number, since it uses less digits than its factorization.

28913497470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246618 (or 2246615 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 28913497470 in words is "twenty-eight billion, nine hundred thirteen million, four hundred ninety-seven thousand, four hundred seventy".