63825667 has 16 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 57135232.

The previous prime is 63825661. The next prime is 63825691. The reversal of 63825667 is 76652836.

It is not a de Polignac number, because 63825667 - 2³ = 63825659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63825661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93108 + ... + 93790.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2^63825667 is an apocalyptic number.

63825667 is a deficient number, since it is larger than the sum of its proper divisors (7091453).

63825667 is a wasteful number, since it uses less digits than its factorization.

63825667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its digits is 362880, while the sum is 43.

The square root of 63825667 is about 7989.0967574564. The cubic root of 63825667 is about 399.6364759758.

The spelling of 63825667 in words is "sixty-three million, eight hundred twenty-five thousand, six hundred sixty-seven".