238502677779072 has 640 divisors, whose sum is σ = 864405114696000. Its totient is φ = 64557073115136.

The previous prime is 238502677779059. The next prime is 238502677779101. The reversal of 238502677779072 is 270977776205832.

238502677779072 is a `hidden beast` number, since 2 + 385 + 0 + 26 + 7 + 7 + 77 + 90 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 156902878 + ... + 158415650.

Almost surely, 2^{238502677779072} 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 238502677779072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432202557348000).

238502677779072 is an abundant number, since it is smaller than the sum of its proper divisors (625902436916928).

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

238502677779072 is an equidigital number, since it uses as much as digits as its factorization.

238502677779072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512843 (or 1512804 counting only the distinct ones).

The product of its (nonzero) digits is 871274880, while the sum is 72.

The spelling of 238502677779072 in words is "two hundred thirty-eight trillion, five hundred two billion, six hundred seventy-seven million, seven hundred seventy-nine thousand, seventy-two".