27902378392 has 64 divisors (see below), whose sum is σ = 63478451520. Its totient is φ = 11224424448.

The previous prime is 27902378381. The next prime is 27902378417. The reversal of 27902378392 is 29387320972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315808 + ... + 394384.

It is an arithmetic number, because the mean of its divisors is an integer number (991850805).

Almost surely, 2^27902378392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27902378392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31739225760).

27902378392 is an abundant number, since it is smaller than the sum of its proper divisors (35576073128).

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

27902378392 is a wasteful number, since it uses less digits than its factorization.

27902378392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78980 (or 78976 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 27902378392 in words is "twenty-seven billion, nine hundred two million, three hundred seventy-eight thousand, three hundred ninety-two".