378862274765 has 16 divisors (see below), whose sum is σ = 490542826368. Its totient is φ = 279240250176.

The previous prime is 378862274711. The next prime is 378862274773. The reversal of 378862274765 is 567472268873.

It is a cyclic number.

It is not a de Polignac number, because 378862274765 - 2¹⁸ = 378862012621 is a prime.

It is a super-2 number, since 2×378862274765² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5538329 + ... + 5606318.

It is an arithmetic number, because the mean of its divisors is an integer number (30658926648).

Almost surely, 2^378862274765 is an apocalyptic number.

It is an amenable number.

378862274765 is a deficient number, since it is larger than the sum of its proper divisors (111680551603).

378862274765 is a wasteful number, since it uses less digits than its factorization.

378862274765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145188.

The product of its digits is 189665280, while the sum is 65.

The spelling of 378862274765 in words is "three hundred seventy-eight billion, eight hundred sixty-two million, two hundred seventy-four thousand, seven hundred sixty-five".