63777500325 has 216 divisors, whose sum is σ = 146427503040. Its totient is φ = 25778995200.

The previous prime is 63777500309. The next prime is 63777500383. The reversal of 63777500325 is 52300577736.

63777500325 is a `hidden beast` number, since 637 + 7 + 7 + 5 + 0 + 0 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 63777500325 - 2⁴ = 63777500309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 23716581 + ... + 23719269.

Almost surely, 2^63777500325 is an apocalyptic number.

It is an amenable number.

63777500325 is an abundant number, since it is smaller than the sum of its proper divisors (82650002715).

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

63777500325 is a wasteful number, since it uses less digits than its factorization.

63777500325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 45.

The spelling of 63777500325 in words is "sixty-three billion, seven hundred seventy-seven million, five hundred thousand, three hundred twenty-five".