28572970710 has 32 divisors (see below), whose sum is σ = 69075688032. Its totient is φ = 7563841280.

The previous prime is 28572970649. The next prime is 28572970721. The reversal of 28572970710 is 1707927582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28572970710.

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, 3471921 + ... + 3480140.

It is an arithmetic number, because the mean of its divisors is an integer number (2158615251).

Almost surely, 2^28572970710 is an apocalyptic number.

28572970710 is an abundant number, since it is smaller than the sum of its proper divisors (40502717322).

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

28572970710 is a wasteful number, since it uses less digits than its factorization.

28572970710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952208.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 28572970710 in words is "twenty-eight billion, five hundred seventy-two million, nine hundred seventy thousand, seven hundred ten".