3977878862037 has 8 divisors (see below), whose sum is σ = 5303850601536. Its totient is φ = 2651913181952.

The previous prime is 3977878862017. The next prime is 3977878862077. The reversal of 3977878862037 is 7302688787793.

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

It is a cyclic number.

It is not a de Polignac number, because 3977878862037 - 2²⁰ = 3977877813461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3977878862037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977878862017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342133 + ... + 2841269.

It is an arithmetic number, because the mean of its divisors is an integer number (662981325192).

Almost surely, 2^{3977878862037} is an apocalyptic number.

It is an amenable number.

3977878862037 is a deficient number, since it is larger than the sum of its proper divisors (1325971739499).

3977878862037 is a wasteful number, since it uses less digits than its factorization.

3977878862037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029707.

The product of its (nonzero) digits is 1194891264, while the sum is 75.

The spelling of 3977878862037 in words is "three trillion, nine hundred seventy-seven billion, eight hundred seventy-eight million, eight hundred sixty-two thousand, thirty-seven".