5031566378 has 4 divisors (see below), whose sum is σ = 7547349570. Its totient is φ = 2515783188.

The previous prime is 5031566299. The next prime is 5031566399. The reversal of 5031566378 is 8736651305.

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

It can be written as a sum of positive squares in only one way, i.e., 4904621089 + 126945289 = 70033^2 + 11267^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257891593 + ... + 1257891596.

Almost surely, 2^5031566378 is an apocalyptic number.

5031566378 is a deficient number, since it is larger than the sum of its proper divisors (2515783192).

5031566378 is a wasteful number, since it uses less digits than its factorization.

5031566378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515783191.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 5031566378 is about 70933.5349323576. The cubic root of 5031566378 is about 1713.5669167909.

The spelling of 5031566378 in words is "five billion, thirty-one million, five hundred sixty-six thousand, three hundred seventy-eight".