378776000831 has 2 divisors, whose sum is σ = 378776000832. Its totient is φ = 378776000830.

The previous prime is 378776000783. The next prime is 378776000851. The reversal of 378776000831 is 138000677873.

It is a strong prime.

It is an emirp because it is prime and its reverse (138000677873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378776000831 - 2³⁴ = 361596131647 is a prime.

It is a super-2 number, since 2×378776000831² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378776000831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378776000851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189388000415 + 189388000416.

It is an arithmetic number, because the mean of its divisors is an integer number (189388000416).

Almost surely, 2^378776000831 is an apocalyptic number.

378776000831 is a deficient number, since it is larger than the sum of its proper divisors (1).

378776000831 is an equidigital number, since it uses as much as digits as its factorization.

378776000831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 378776000831 in words is "three hundred seventy-eight billion, seven hundred seventy-six million, eight hundred thirty-one", and thus it is an aban number.