3907772193864 has 640 divisors, whose sum is σ = 13019557109760. Its totient is φ = 968083200000.

The previous prime is 3907772193847. The next prime is 3907772193881. The reversal of 3907772193864 is 4683912777093.

It is an interprime number because it is at equal distance from previous prime (3907772193847) and next prime (3907772193881).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 3907772193795 and 3907772193804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1395133264 + ... + 1395136064.

It is an arithmetic number, because the mean of its divisors is an integer number (20343057984).

Almost surely, 2^{3907772193864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3907772193864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6509778554880).

3907772193864 is an abundant number, since it is smaller than the sum of its proper divisors (9111784915896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3907772193864 is a wasteful number, since it uses less digits than its factorization.

3907772193864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 66.

The spelling of 3907772193864 in words is "three trillion, nine hundred seven billion, seven hundred seventy-two million, one hundred ninety-three thousand, eight hundred sixty-four".