3930977878 has 8 divisors (see below), whose sum is σ = 6086675520. Its totient is φ = 1902086040.

The previous prime is 3930977867. The next prime is 3930977893. The reversal of 3930977878 is 8787790393.

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

It is a super-3 number, since 3×3930977878³ (a number of 30 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 31701373 + ... + 31701496.

It is an arithmetic number, because the mean of its divisors is an integer number (760834440).

Almost surely, 2^3930977878 is an apocalyptic number.

3930977878 is a deficient number, since it is larger than the sum of its proper divisors (2155697642).

3930977878 is a wasteful number, since it uses less digits than its factorization.

3930977878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63402902.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The square root of 3930977878 is about 62697.5109394304. The cubic root of 3930977878 is about 1578.2175431235.

The spelling of 3930977878 in words is "three billion, nine hundred thirty million, nine hundred seventy-seven thousand, eight hundred seventy-eight".