7997997950 has 24 divisors (see below), whose sum is σ = 14879516400. Its totient is φ = 3198502400.

The previous prime is 7997997949. The next prime is 7997997971. The reversal of 7997997950 is 597997997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257351 + ... + 286749.

It is an arithmetic number, because the mean of its divisors is an integer number (619979850).

Almost surely, 2^7997997950 is an apocalyptic number.

7997997950 is a deficient number, since it is larger than the sum of its proper divisors (6881518450).

7997997950 is a wasteful number, since it uses less digits than its factorization.

7997997950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34852 (or 34847 counting only the distinct ones).

The product of its (nonzero) digits is 101269035, while the sum is 71.

The square root of 7997997950 is about 89431.5265999636. The cubic root of 7997997950 is about 1999.8331485807.

The spelling of 7997997950 in words is "seven billion, nine hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred fifty".