7997000152 has 8 divisors (see below), whose sum is σ = 14994375300. Its totient is φ = 3998500072.

The previous prime is 7997000129. The next prime is 7997000153. The reversal of 7997000152 is 2510007997.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7997000152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997000153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499812502 + ... + 499812517.

Almost surely, 2^7997000152 is an apocalyptic number.

It is an amenable number.

7997000152 is a deficient number, since it is larger than the sum of its proper divisors (6997375148).

7997000152 is a wasteful number, since it uses less digits than its factorization.

7997000152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999625025 (or 999625021 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 7997000152 is about 89425.9478674954. The cubic root of 7997000152 is about 1999.7499814133.

The spelling of 7997000152 in words is "seven billion, nine hundred ninety-seven million, one hundred fifty-two", and thus it is an aban number.