5157499838 has 8 divisors (see below), whose sum is σ = 8003017080. Its totient is φ = 2489827480.

The previous prime is 5157499813. The next prime is 5157499877. The reversal of 5157499838 is 8389947515.

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 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, 44461148 + ... + 44461263.

It is an arithmetic number, because the mean of its divisors is an integer number (1000377135).

Almost surely, 2^5157499838 is an apocalyptic number.

5157499838 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5157499838 is a deficient number, since it is larger than the sum of its proper divisors (2845517242).

5157499838 is a wasteful number, since it uses less digits than its factorization.

5157499838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88922442.

The product of its digits is 10886400, while the sum is 59.

The square root of 5157499838 is about 71815.7353091925. The cubic root of 5157499838 is about 1727.7453826430.

The spelling of 5157499838 in words is "five billion, one hundred fifty-seven million, four hundred ninety-nine thousand, eight hundred thirty-eight".