56898639378 has 240 divisors, whose sum is σ = 155885558400. Its totient is φ = 15476242320.

The previous prime is 56898639359. The next prime is 56898639397. The reversal of 56898639378 is 87393689865.

It is an interprime number because it is at equal distance from previous prime (56898639359) and next prime (56898639397).

Its product of digits (470292480) is a multiple of the sum of its prime factors (480).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 269661693 + ... + 269661903.

It is an arithmetic number, because the mean of its divisors is an integer number (649523160).

Almost surely, 2^56898639378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56898639378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77942779200).

56898639378 is an abundant number, since it is smaller than the sum of its proper divisors (98986919022).

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

56898639378 is an equidigital number, since it uses as much as digits as its factorization.

56898639378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 246 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 56898639378 in words is "fifty-six billion, eight hundred ninety-eight million, six hundred thirty-nine thousand, three hundred seventy-eight".