492739188887 has 8 divisors (see below), whose sum is σ = 537553981440. Its totient is φ = 447927783160.

The previous prime is 492739188871. The next prime is 492739188911. The reversal of 492739188887 is 788881937294.

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

It is not a de Polignac number, because 492739188887 - 2⁴ = 492739188871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492739188827) 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, 537593 + ... + 1128930.

It is an arithmetic number, because the mean of its divisors is an integer number (67194247680).

Almost surely, 2^492739188887 is an apocalyptic number.

492739188887 is a deficient number, since it is larger than the sum of its proper divisors (44814792553).

492739188887 is a wasteful number, since it uses less digits than its factorization.

492739188887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693413.

The product of its digits is 390168576, while the sum is 74.

The spelling of 492739188887 in words is "four hundred ninety-two billion, seven hundred thirty-nine million, one hundred eighty-eight thousand, eight hundred eighty-seven".