5091000878 has 8 divisors (see below), whose sum is σ = 7648197768. Its totient is φ = 2541601624.

The previous prime is 5091000857. The next prime is 5091000917. The reversal of 5091000878 is 8780001905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947776 + ... + 1950387.

It is an arithmetic number, because the mean of its divisors is an integer number (956024721).

Almost surely, 2^5091000878 is an apocalyptic number.

5091000878 is a deficient number, since it is larger than the sum of its proper divisors (2557196890).

5091000878 is a wasteful number, since it uses less digits than its factorization.

5091000878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898818.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5091000878 is about 71351.2500100734. The cubic root of 5091000878 is about 1720.2875936533.

The spelling of 5091000878 in words is "five billion, ninety-one million, eight hundred seventy-eight", and thus it is an aban number.