500142878 has 4 divisors (see below), whose sum is σ = 750214320. Its totient is φ = 250071438.

The previous prime is 500142857. The next prime is 500142883. The reversal of 500142878 is 878241005.

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

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, 125035718 + ... + 125035721.

It is an arithmetic number, because the mean of its divisors is an integer number (187553580).

Almost surely, 2^500142878 is an apocalyptic number.

500142878 is a deficient number, since it is larger than the sum of its proper divisors (250071442).

500142878 is a wasteful number, since it uses less digits than its factorization.

500142878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250071441.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 500142878 is about 22363.8743959986. The cubic root of 500142878 is about 793.7761203465.

The spelling of 500142878 in words is "five hundred million, one hundred forty-two thousand, eight hundred seventy-eight".