28983977922470 has 32 divisors (see below), whose sum is σ = 52951708520928. Its totient is φ = 11420148250368.

The previous prime is 28983977922469. The next prime is 28983977922491. The reversal of 28983977922470 is 7422977938982.

It is a junction number, because it is equal to n+sod(n) for n = 28983977922391 and 28983977922400.

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, 18540092 + ... + 20042528.

It is an arithmetic number, because the mean of its divisors is an integer number (1654740891279).

Almost surely, 2^{28983977922470} is an apocalyptic number.

28983977922470 is a deficient number, since it is larger than the sum of its proper divisors (23967730598458).

28983977922470 is a wasteful number, since it uses less digits than its factorization.

28983977922470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531304.

The product of its (nonzero) digits is 1536288768, while the sum is 77.

The spelling of 28983977922470 in words is "twenty-eight trillion, nine hundred eighty-three billion, nine hundred seventy-seven million, nine hundred twenty-two thousand, four hundred seventy".