378371585497 has 6 divisors (see below), whose sum is σ = 384676087614. Its totient is φ = 372168768960.

The previous prime is 378371585461. The next prime is 378371585533. The reversal of 378371585497 is 794585173873.

It is an interprime number because it is at equal distance from previous prime (378371585461) and next prime (378371585533).

It can be written as a sum of positive squares in 3 ways, for example, as 70403192896 + 307968392601 = 265336^2 + 554949^2 .

It is a de Polignac number, because none of the positive numbers 2^k-378371585497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378371585407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50839008 + ... + 50846449.

It is an arithmetic number, because the mean of its divisors is an integer number (64112681269).

Almost surely, 2^378371585497 is an apocalyptic number.

It is an amenable number.

378371585497 is a deficient number, since it is larger than the sum of its proper divisors (6304502117).

378371585497 is an equidigital number, since it uses as much as digits as its factorization.

378371585497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101685579 (or 101685518 counting only the distinct ones).

The product of its digits is 177811200, while the sum is 67.

The spelling of 378371585497 in words is "three hundred seventy-eight billion, three hundred seventy-one million, five hundred eighty-five thousand, four hundred ninety-seven".