5817536978 has 18 divisors (see below), whose sum is σ = 9593680887. Its totient is φ = 2643795660.

The previous prime is 5817536971. The next prime is 5817537007. The reversal of 5817536978 is 8796357185.

It can be written as a sum of positive squares in only one way, i.e., 2908768489 + 2908768489 = 53933^2 + 53933^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53933.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5817536971) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1184075 + ... + 1188977.

Almost surely, 2^5817536978 is an apocalyptic number.

5817536978 is a deficient number, since it is larger than the sum of its proper divisors (3776143909).

5817536978 is an frugal number, since it uses more digits than its factorization.

5817536978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830 (or 4916 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 59.

The square root of 5817536978 is about 76272.7800594681. The cubic root of 5817536978 is about 1798.5108030537.

The spelling of 5817536978 in words is "five billion, eight hundred seventeen million, five hundred thirty-six thousand, nine hundred seventy-eight".