3989277278 has 64 divisors (see below), whose sum is σ = 7373184000. Its totient is φ = 1613636640.

The previous prime is 3989277269. The next prime is 3989277283. The reversal of 3989277278 is 8727729893.

Its product of digits (21337344) is a multiple of the sum of its prime divisors (1176).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3989277278.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5486951 + ... + 5487677.

It is an arithmetic number, because the mean of its divisors is an integer number (115206000).

Almost surely, 2^3989277278 is an apocalyptic number.

3989277278 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3989277278 is a deficient number, since it is larger than the sum of its proper divisors (3383906722).

3989277278 is a wasteful number, since it uses less digits than its factorization.

3989277278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1176 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 62.

The square root of 3989277278 is about 63160.7257558049. The cubic root of 3989277278 is about 1585.9813442687.

The spelling of 3989277278 in words is "three billion, nine hundred eighty-nine million, two hundred seventy-seven thousand, two hundred seventy-eight".