7997800088 has 16 divisors (see below), whose sum is σ = 14999440680. Its totient is φ = 3997949248.

The previous prime is 7997800087. The next prime is 7997800091. The reversal of 7997800088 is 8800087997.

It is a super-2 number, since 2×7997800088² (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 (7997800087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82445 + ... + 150972.

Almost surely, 2^7997800088 is an apocalyptic number.

It is an amenable number.

7997800088 is a deficient number, since it is larger than the sum of its proper divisors (7001640592).

7997800088 is a wasteful number, since it uses less digits than its factorization.

7997800088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237706 (or 237702 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 56.

The square root of 7997800088 is about 89430.4203724885. The cubic root of 7997800088 is about 1999.8166571932.

The spelling of 7997800088 in words is "seven billion, nine hundred ninety-seven million, eight hundred thousand, eighty-eight".