2378798831 has 4 divisors (see below), whose sum is σ = 2518728192. Its totient is φ = 2238869472.

The previous prime is 2378798813. The next prime is 2378798833. The reversal of 2378798831 is 1388978732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2378798831 - 2⁶ = 2378798767 is a prime.

It is a super-2 number, since 2×2378798831² = 11317367756733933122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378798833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69964655 + ... + 69964688.

It is an arithmetic number, because the mean of its divisors is an integer number (629682048).

Almost surely, 2^2378798831 is an apocalyptic number.

2378798831 is a deficient number, since it is larger than the sum of its proper divisors (139929361).

2378798831 is a wasteful number, since it uses less digits than its factorization.

2378798831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139929360.

The product of its digits is 4064256, while the sum is 56.

The square root of 2378798831 is about 48772.9313349116. The cubic root of 2378798831 is about 1334.9118002955.

The spelling of 2378798831 in words is "two billion, three hundred seventy-eight million, seven hundred ninety-eight thousand, eight hundred thirty-one".