25764486750 has 128 divisors (see below), whose sum is σ = 71827367040. Its totient is φ = 6834585600.

The previous prime is 25764486721. The next prime is 25764486751. The reversal of 25764486750 is 5768446752.

It is a happy number.

25764486750 is a `hidden beast` number, since 2 + 57 + 64 + 486 + 7 + 50 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25764486751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1292862 + ... + 1312638.

It is an arithmetic number, because the mean of its divisors is an integer number (561151305).

Almost surely, 2^25764486750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25764486750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35913683520).

25764486750 is an abundant number, since it is smaller than the sum of its proper divisors (46062880290).

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

25764486750 is a wasteful number, since it uses less digits than its factorization.

25764486750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19996 (or 19980 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 25764486750 in words is "twenty-five billion, seven hundred sixty-four million, four hundred eighty-six thousand, seven hundred fifty".