32117797470 has 128 divisors (see below), whose sum is σ = 85629519360. Its totient is φ = 7644096000.

The previous prime is 32117797447. The next prime is 32117797493. The reversal of 32117797470 is 7479771123.

It is an interprime number because it is at equal distance from previous prime (32117797447) and next prime (32117797493).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13908676 + ... + 13910984.

It is an arithmetic number, because the mean of its divisors is an integer number (668980620).

Almost surely, 2^32117797470 is an apocalyptic number.

32117797470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32117797470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42814759680).

32117797470 is an abundant number, since it is smaller than the sum of its proper divisors (53511721890).

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

32117797470 is a wasteful number, since it uses less digits than its factorization.

32117797470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082.

The product of its (nonzero) digits is 518616, while the sum is 48.

The spelling of 32117797470 in words is "thirty-two billion, one hundred seventeen million, seven hundred ninety-seven thousand, four hundred seventy".