2378291992 has 8 divisors (see below), whose sum is σ = 4459297500. Its totient is φ = 1189145992.

The previous prime is 2378291941. The next prime is 2378292013. The reversal of 2378291992 is 2991928732.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2378291992² = 11312545598422656128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148643242 + ... + 148643257.

Almost surely, 2^2378291992 is an apocalyptic number.

It is an amenable number.

2378291992 is a deficient number, since it is larger than the sum of its proper divisors (2081005508).

2378291992 is a wasteful number, since it uses less digits than its factorization.

2378291992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297286505 (or 297286501 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 2378291992 is about 48767.7351534803. The cubic root of 2378291992 is about 1334.8169858579.

The spelling of 2378291992 in words is "two billion, three hundred seventy-eight million, two hundred ninety-one thousand, nine hundred ninety-two".