3688878974 has 8 divisors (see below), whose sum is σ = 6036347448. Its totient is φ = 1676763160.

The previous prime is 3688878961. The next prime is 3688879001. The reversal of 3688878974 is 4798788863.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83838137 + ... + 83838180.

It is an arithmetic number, because the mean of its divisors is an integer number (754543431).

Almost surely, 2^3688878974 is an apocalyptic number.

3688878974 is a deficient number, since it is larger than the sum of its proper divisors (2347468474).

3688878974 is a wasteful number, since it uses less digits than its factorization.

3688878974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167676330.

The product of its digits is 130056192, while the sum is 68.

The square root of 3688878974 is about 60736.1422383740. The cubic root of 3688878974 is about 1545.1292084802.

It can be divided in two parts, 36888789 and 74, that added together give a palindrome (36888863).

The spelling of 3688878974 in words is "three billion, six hundred eighty-eight million, eight hundred seventy-eight thousand, nine hundred seventy-four".