27731685058 has 32 divisors (see below), whose sum is σ = 53650200960. Its totient is φ = 10431980160.

The previous prime is 27731685053. The next prime is 27731685071. The reversal of 27731685058 is 85058613772.

It is a happy number.

It is a super-2 number, since 2×27731685058² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27731684996 and 27731685014.

It is not an unprimeable number, because it can be changed into a prime (27731685053) 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, 3100291 + ... + 3109222.

It is an arithmetic number, because the mean of its divisors is an integer number (1676568780).

Almost surely, 2^27731685058 is an apocalyptic number.

27731685058 is a deficient number, since it is larger than the sum of its proper divisors (25918515902).

27731685058 is a wasteful number, since it uses less digits than its factorization.

27731685058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6209562.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 27731685058 in words is "twenty-seven billion, seven hundred thirty-one million, six hundred eighty-five thousand, fifty-eight".