28425966770 has 48 divisors (see below), whose sum is σ = 53289114624. Its totient is φ = 10916488800.

The previous prime is 28425966763. The next prime is 28425966797. The reversal of 28425966770 is 7766952482.

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, 1208825 + ... + 1232115.

It is an arithmetic number, because the mean of its divisors is an integer number (1110189888).

Almost surely, 2^28425966770 is an apocalyptic number.

28425966770 is a deficient number, since it is larger than the sum of its proper divisors (24863147854).

28425966770 is a wasteful number, since it uses less digits than its factorization.

28425966770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23487 (or 23456 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 28425966770 in words is "twenty-eight billion, four hundred twenty-five million, nine hundred sixty-six thousand, seven hundred seventy".