7997752036 has 6 divisors (see below), whose sum is σ = 13996066070. Its totient is φ = 3998876016.

The previous prime is 7997752003. The next prime is 7997752067. The reversal of 7997752036 is 6302577997.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4198262436 + 3799489600 = 64794^2 + 61640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999719001 + ... + 999719008.

Almost surely, 2^7997752036 is an apocalyptic number.

It is an amenable number.

7997752036 is a deficient number, since it is larger than the sum of its proper divisors (5998314034).

7997752036 is a wasteful number, since it uses less digits than its factorization.

7997752036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999438013 (or 1999438011 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 55.

The square root of 7997752036 is about 89430.1517162976. The cubic root of 7997752036 is about 1999.8126521176.

The spelling of 7997752036 in words is "seven billion, nine hundred ninety-seven million, seven hundred fifty-two thousand, thirty-six".