7898971088 has 10 divisors (see below), whose sum is σ = 15304256514. Its totient is φ = 3949485536.

The previous prime is 7898971039. The next prime is 7898971139. The reversal of 7898971088 is 8801798987.

It can be written as a sum of positive squares in only one way, i.e., 7894677904 + 4293184 = 88852^2 + 2072^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246842831 + ... + 246842862.

Almost surely, 2^7898971088 is an apocalyptic number.

It is an amenable number.

7898971088 is a deficient number, since it is larger than the sum of its proper divisors (7405285426).

7898971088 is a wasteful number, since it uses less digits than its factorization.

7898971088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493685701 (or 493685695 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 65.

The square root of 7898971088 is about 88876.1559024691. The cubic root of 7898971088 is about 1991.5452328204.

The spelling of 7898971088 in words is "seven billion, eight hundred ninety-eight million, nine hundred seventy-one thousand, eighty-eight".