7816488056 has 64 divisors (see below), whose sum is σ = 16671621120. Its totient is φ = 3409983360.

The previous prime is 7816488023. The next prime is 7816488131. The reversal of 7816488056 is 6508846187.

It is a super-2 number, since 2×7816488056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7816487989 and 7816488007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110441 + ... + 166823.

It is an arithmetic number, because the mean of its divisors is an integer number (260494080).

Almost surely, 2^7816488056 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 7816488056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8335810560).

7816488056 is an abundant number, since it is smaller than the sum of its proper divisors (8855133064).

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

7816488056 is a wasteful number, since it uses less digits than its factorization.

7816488056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56476 (or 56472 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 7816488056 is about 88410.9046215454. The cubic root of 7816488056 is about 1984.5888918878.

The spelling of 7816488056 in words is "seven billion, eight hundred sixteen million, four hundred eighty-eight thousand, fifty-six".