28406930947192 has 16 divisors (see below), whose sum is σ = 60871994886960. Its totient is φ = 12174398977344.

The previous prime is 28406930947177. The next prime is 28406930947193. The reversal of 28406930947192 is 29174903960482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28406930947193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253633311973 + ... + 253633312084.

It is an arithmetic number, because the mean of its divisors is an integer number (3804499680435).

Almost surely, 2^{28406930947192} is an apocalyptic number.

It is an amenable number.

28406930947192 is an abundant number, since it is smaller than the sum of its proper divisors (32465063939768).

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

28406930947192 is a wasteful number, since it uses less digits than its factorization.

28406930947192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507266624070 (or 507266624066 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 28406930947192 in words is "twenty-eight trillion, four hundred six billion, nine hundred thirty million, nine hundred forty-seven thousand, one hundred ninety-two".