3775668861258 has 160 divisors (see below), whose sum is σ = 10018783272960. Its totient is φ = 1039991749920.

The previous prime is 3775668861247. The next prime is 3775668861281. The reversal of 3775668861258 is 8521688665773.

3775668861258 is a `hidden beast` number, since 3 + 7 + 7 + 566 + 8 + 8 + 6 + 1 + 2 + 58 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9041313 + ... + 9449691.

It is an arithmetic number, because the mean of its divisors is an integer number (62617395456).

Almost surely, 2^{3775668861258} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3775668861258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5009391636480).

3775668861258 is an abundant number, since it is smaller than the sum of its proper divisors (6243114411702).

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

3775668861258 is a wasteful number, since it uses less digits than its factorization.

3775668861258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408694 (or 408685 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 3775668861258 in words is "three trillion, seven hundred seventy-five billion, six hundred sixty-eight million, eight hundred sixty-one thousand, two hundred fifty-eight".