7991602080 has 1152 divisors, whose sum is σ = 35742228480. Its totient is φ = 1476034560.

The previous prime is 7991602049. The next prime is 7991602111. The reversal of 7991602080 is 802061997.

It is an interprime number because it is at equal distance from previous prime (7991602049) and next prime (7991602111).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 101159481 + ... + 101159559.

It is an arithmetic number, because the mean of its divisors is an integer number (31026240).

Almost surely, 2^7991602080 is an apocalyptic number.

7991602080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7991602080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17871114240).

7991602080 is an abundant number, since it is smaller than the sum of its proper divisors (27750626400).

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

7991602080 is a wasteful number, since it uses less digits than its factorization.

7991602080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 7991602080 is about 89395.7609733258. The cubic root of 7991602080 is about 1999.2999283117.

The spelling of 7991602080 in words is "seven billion, nine hundred ninety-one million, six hundred two thousand, eighty".