31674738858 has 96 divisors (see below), whose sum is σ = 75644928000. Its totient is φ = 8812099296.

The previous prime is 31674738833. The next prime is 31674738859. The reversal of 31674738858 is 85883747613.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31674738859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2744023 + ... + 2755541.

It is an arithmetic number, because the mean of its divisors is an integer number (787968000).

Almost surely, 2^31674738858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31674738858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37822464000).

31674738858 is an abundant number, since it is smaller than the sum of its proper divisors (43970189142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31674738858 is a wasteful number, since it uses less digits than its factorization.

31674738858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784 (or 11777 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 31674738858 in words is "thirty-one billion, six hundred seventy-four million, seven hundred thirty-eight thousand, eight hundred fifty-eight".