378518874895 has 16 divisors (see below), whose sum is σ = 519203442240. Its totient is φ = 259509878784.

The previous prime is 378518874869. The next prime is 378518874911. The reversal of 378518874895 is 598478815873.

It is a cyclic number.

It is not a de Polignac number, because 378518874895 - 2³¹ = 376371391247 is a prime.

It is a super-2 number, since 2×378518874895² (a number of 24 digits) contains 22 as substring.

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, 755442 + ... + 1152271.

It is an arithmetic number, because the mean of its divisors is an integer number (32450215140).

Almost surely, 2^378518874895 is an apocalyptic number.

378518874895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

378518874895 is a deficient number, since it is larger than the sum of its proper divisors (140684567345).

378518874895 is a wasteful number, since it uses less digits than its factorization.

378518874895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913394.

The product of its digits is 541900800, while the sum is 73.

The spelling of 378518874895 in words is "three hundred seventy-eight billion, five hundred eighteen million, eight hundred seventy-four thousand, eight hundred ninety-five".