23778003782364 has 96 divisors (see below), whose sum is σ = 61769691836160. Its totient is φ = 7072490170368.

The previous prime is 23778003782363. The next prime is 23778003782369. The reversal of 23778003782364 is 46328730087732.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23778003782298 and 23778003782307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23778003782363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17621094 + ... + 18922445.

It is an arithmetic number, because the mean of its divisors is an integer number (643434289960).

Almost surely, 2^{23778003782364} is an apocalyptic number.

It is an amenable number.

23778003782364 is an abundant number, since it is smaller than the sum of its proper divisors (37991688053796).

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

23778003782364 is a wasteful number, since it uses less digits than its factorization.

23778003782364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36543699 (or 36543697 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 60.

The spelling of 23778003782364 in words is "twenty-three trillion, seven hundred seventy-eight billion, three million, seven hundred eighty-two thousand, three hundred sixty-four".