5157580821 has 8 divisors (see below), whose sum is σ = 6909366624. Its totient is φ = 3422091120.

The previous prime is 5157580817. The next prime is 5157580859. The reversal of 5157580821 is 1280857515.

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

It is not a de Polignac number, because 5157580821 - 2² = 5157580817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157580811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073286 + ... + 4074551.

It is an arithmetic number, because the mean of its divisors is an integer number (863670828).

Almost surely, 2^5157580821 is an apocalyptic number.

It is an amenable number.

5157580821 is a deficient number, since it is larger than the sum of its proper divisors (1751785803).

5157580821 is a wasteful number, since it uses less digits than its factorization.

5157580821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148051.

The product of its (nonzero) digits is 112000, while the sum is 42.

The square root of 5157580821 is about 71816.2991318823. The cubic root of 5157580821 is about 1727.7544256080.

The spelling of 5157580821 in words is "five billion, one hundred fifty-seven million, five hundred eighty thousand, eight hundred twenty-one".