63874655 has 8 divisors (see below), whose sum is σ = 82545792. Its totient is φ = 47168928.

The previous prime is 63874649. The next prime is 63874667. The reversal of 63874655 is 55647836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63874655 - 2¹⁸ = 63612511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491279 + ... + 491408.

It is an arithmetic number, because the mean of its divisors is an integer number (10318224).

Almost surely, 2^63874655 is an apocalyptic number.

63874655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63874655 is a deficient number, since it is larger than the sum of its proper divisors (18671137).

63874655 is a wasteful number, since it uses less digits than its factorization.

63874655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982705.

The product of its digits is 604800, while the sum is 44.

The square root of 63874655 is about 7992.1620979557. The cubic root of 63874655 is about 399.7386939183.

The spelling of 63874655 in words is "sixty-three million, eight hundred seventy-four thousand, six hundred fifty-five".