38646920088 has 96 divisors (see below), whose sum is σ = 119826120960. Its totient is φ = 11023081920.

The previous prime is 38646920077. The next prime is 38646920099. The reversal of 38646920088 is 88002964683.

38646920088 is a `hidden beast` number, since 3 + 86 + 469 + 20 + 0 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (38646920077) and next prime (38646920099).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230533 + ... + 361163.

It is an arithmetic number, because the mean of its divisors is an integer number (1248188760).

Almost surely, 2^38646920088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38646920088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59913060480).

38646920088 is an abundant number, since it is smaller than the sum of its proper divisors (81179200872).

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

38646920088 is a wasteful number, since it uses less digits than its factorization.

38646920088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131237 (or 131230 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 38646920088 in words is "thirty-eight billion, six hundred forty-six million, nine hundred twenty thousand, eighty-eight".