378409904873 has 32 divisors (see below), whose sum is σ = 537961616640. Its totient is φ = 256172175360.

The previous prime is 378409904863. The next prime is 378409904897.

378409904873 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 378409904873 - 2⁸ = 378409904617 is a prime.

It is a super-2 number, since 2×378409904873² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378409904863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11101568 + ... + 11135601.

It is an arithmetic number, because the mean of its divisors is an integer number (16811300520).

Almost surely, 2^378409904873 is an apocalyptic number.

It is an amenable number.

378409904873 is a deficient number, since it is larger than the sum of its proper divisors (159551711767).

378409904873 is a wasteful number, since it uses less digits than its factorization.

378409904873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22237217.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 378409904873 in words is "three hundred seventy-eight billion, four hundred nine million, nine hundred four thousand, eight hundred seventy-three".