27972325392 has 40 divisors (see below), whose sum is σ = 78831100320. Its totient is φ = 8476462080.

The previous prime is 27972325391. The next prime is 27972325393. The reversal of 27972325392 is 29352327972.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27972325391) and next prime (27972325393).

It is not an unprimeable number, because it can be changed into a prime (27972325391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26488417 + ... + 26489472.

It is an arithmetic number, because the mean of its divisors is an integer number (1970777508).

Almost surely, 2^27972325392 is an apocalyptic number.

27972325392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27972325392 is an abundant number, since it is smaller than the sum of its proper divisors (50858774928).

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

27972325392 is a wasteful number, since it uses less digits than its factorization.

27972325392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52977911 (or 52977905 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 51.

The spelling of 27972325392 in words is "twenty-seven billion, nine hundred seventy-two million, three hundred twenty-five thousand, three hundred ninety-two".