28937793736996 has 81 divisors (see below), whose sum is σ = 52646499402609. Its totient is φ = 13917547459200.

The previous prime is 28937793736961. The next prime is 28937793737023. The reversal of 28937793736996 is 69963739773982.

It is a happy number.

The square root of 28937793736996 is 5379386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5076522696996 + 23861271040000 = 2253114^2 + 4884800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32846530476 + ... + 32846531356.

Almost surely, 2^{28937793736996} is an apocalyptic number.

28937793736996 is the 5379386-th square number.

It is an amenable number.

28937793736996 is a deficient number, since it is larger than the sum of its proper divisors (23708705665613).

28937793736996 is an frugal number, since it uses more digits than its factorization.

28937793736996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 997 counting only the distinct ones).

The product of its digits is 34998578496, while the sum is 88.

The spelling of 28937793736996 in words is "twenty-eight trillion, nine hundred thirty-seven billion, seven hundred ninety-three million, seven hundred thirty-six thousand, nine hundred ninety-six".