7688487364 has 6 divisors (see below), whose sum is σ = 13454852894. Its totient is φ = 3844243680.

The previous prime is 7688487341. The next prime is 7688487383. The reversal of 7688487364 is 4637848867.

It can be written as a sum of positive squares in only one way, i.e., 7349632900 + 338854464 = 85730^2 + 18408^2 .

It is a super-2 number, since 2×7688487364² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961060917 + ... + 961060924.

Almost surely, 2^7688487364 is an apocalyptic number.

It is an amenable number.

7688487364 is a deficient number, since it is larger than the sum of its proper divisors (5766365530).

7688487364 is a wasteful number, since it uses less digits than its factorization.

7688487364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922121845 (or 1922121843 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 61.

The square root of 7688487364 is about 87684.0200036472. The cubic root of 7688487364 is about 1973.6961849370.

The spelling of 7688487364 in words is "seven billion, six hundred eighty-eight million, four hundred eighty-seven thousand, three hundred sixty-four".