5177091986 has 8 divisors (see below), whose sum is σ = 8471605104. Its totient is φ = 2353223620.

The previous prime is 5177091979. The next prime is 5177091989. The reversal of 5177091986 is 6891907715.

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

It is not an unprimeable number, because it can be changed into a prime (5177091989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117661160 + ... + 117661203.

It is an arithmetic number, because the mean of its divisors is an integer number (1058950638).

Almost surely, 2^5177091986 is an apocalyptic number.

5177091986 is a deficient number, since it is larger than the sum of its proper divisors (3294513118).

5177091986 is a wasteful number, since it uses less digits than its factorization.

5177091986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235322376.

The product of its (nonzero) digits is 952560, while the sum is 53.

The square root of 5177091986 is about 71952.0116883468. The cubic root of 5177091986 is about 1729.9303864534.

The spelling of 5177091986 in words is "five billion, one hundred seventy-seven million, ninety-one thousand, nine hundred eighty-six".