7897383936 has 264 divisors, whose sum is σ = 25415633880. Its totient is φ = 2345140224.

The previous prime is 7897383929. The next prime is 7897383943. The reversal of 7897383936 is 6393837987.

It is an interprime number because it is at equal distance from previous prime (7897383929) and next prime (7897383943).

It can be written as a sum of positive squares in 4 ways, for example, as 1394574336 + 6502809600 = 37344^2 + 80640^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3473296 + ... + 3475568.

Almost surely, 2^7897383936 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 7897383936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12707816940).

7897383936 is an abundant number, since it is smaller than the sum of its proper divisors (17518249944).

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

7897383936 is a wasteful number, since it uses less digits than its factorization.

7897383936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2320 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The square root of 7897383936 is about 88867.2264448486. The cubic root of 7897383936 is about 1991.4118358376.

The spelling of 7897383936 in words is "seven billion, eight hundred ninety-seven million, three hundred eighty-three thousand, nine hundred thirty-six".