5125729078 has 16 divisors (see below), whose sum is σ = 8027030016. Its totient is φ = 2450167720.

The previous prime is 5125729039. The next prime is 5125729099. The reversal of 5125729078 is 8709275215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64323 + ... + 119953.

It is an arithmetic number, because the mean of its divisors is an integer number (501689376).

Almost surely, 2^5125729078 is an apocalyptic number.

5125729078 is a deficient number, since it is larger than the sum of its proper divisors (2901300938).

5125729078 is a wasteful number, since it uses less digits than its factorization.

5125729078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57659.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 5125729078 is about 71594.1972369270. The cubic root of 5125729078 is about 1724.1903730409.

The spelling of 5125729078 in words is "five billion, one hundred twenty-five million, seven hundred twenty-nine thousand, seventy-eight".