37968761718 has 64 divisors (see below), whose sum is σ = 86579850240. Its totient is φ = 12328092000.

The previous prime is 37968761693. The next prime is 37968761749. The reversal of 37968761718 is 81716786973.

37968761718 is a `hidden beast` number, since 3 + 7 + 9 + 6 + 8 + 7 + 617 + 1 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500068 + ... + 570968.

It is an arithmetic number, because the mean of its divisors is an integer number (1352810160).

Almost surely, 2^37968761718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37968761718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43289925120).

37968761718 is an abundant number, since it is smaller than the sum of its proper divisors (48611088522).

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

37968761718 is a wasteful number, since it uses less digits than its factorization.

37968761718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71170 (or 71164 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The spelling of 37968761718 in words is "thirty-seven billion, nine hundred sixty-eight million, seven hundred sixty-one thousand, seven hundred eighteen".