7881097760 has 48 divisors (see below), whose sum is σ = 19219721472. Its totient is φ = 3050745600.

The previous prime is 7881097751. The next prime is 7881097769. The reversal of 7881097760 is 677901887.

It is an interprime number because it is at equal distance from previous prime (7881097751) and next prime (7881097769).

It is a super-2 number, since 2×7881097760² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7881097769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789506 + ... + 799425.

It is an arithmetic number, because the mean of its divisors is an integer number (400410864).

Almost surely, 2^7881097760 is an apocalyptic number.

It is an amenable number.

7881097760 is an abundant number, since it is smaller than the sum of its proper divisors (11338623712).

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

7881097760 is a wasteful number, since it uses less digits than its factorization.

7881097760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588977 (or 1588969 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 53.

The square root of 7881097760 is about 88775.5470836424. The cubic root of 7881097760 is about 1990.0419812192.

The spelling of 7881097760 in words is "seven billion, eight hundred eighty-one million, ninety-seven thousand, seven hundred sixty".