57820486547 has 16 divisors (see below), whose sum is σ = 62027965440. Its totient is φ = 53703292032.

The previous prime is 57820486523. The next prime is 57820486567. The reversal of 57820486547 is 74568402875.

It is a cyclic number.

It is not a de Polignac number, because 57820486547 - 2³⁰ = 56746744723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57820486492 and 57820486501.

It is not an unprimeable number, because it can be changed into a prime (57820486517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2948858 + ... + 2968400.

It is an arithmetic number, because the mean of its divisors is an integer number (3876747840).

Almost surely, 2^57820486547 is an apocalyptic number.

57820486547 is a deficient number, since it is larger than the sum of its proper divisors (4207478893).

57820486547 is a wasteful number, since it uses less digits than its factorization.

57820486547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21842.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 57820486547 in words is "fifty-seven billion, eight hundred twenty million, four hundred eighty-six thousand, five hundred forty-seven".