63678876 has 24 divisors (see below), whose sum is σ = 151021584. Its totient is φ = 20878080.

The previous prime is 63678859. The next prime is 63678893. The reversal of 63678876 is 67887636.

It is an interprime number because it is at equal distance from previous prime (63678859) and next prime (63678893).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42765 + ... + 44228.

It is an arithmetic number, because the mean of its divisors is an integer number (6292566).

Almost surely, 2^63678876 is an apocalyptic number.

It is an amenable number.

63678876 is an abundant number, since it is smaller than the sum of its proper divisors (87342708).

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

63678876 is a wasteful number, since it uses less digits than its factorization.

63678876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87061 (or 87059 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 63678876 is about 7979.9045107069. The cubic root of 63678876 is about 399.3298696068.

It can be divided in two parts, 636 and 78876, that multiplied together give a triangular number (50165136 = T₁₀₀₁₆).

The spelling of 63678876 in words is "sixty-three million, six hundred seventy-eight thousand, eight hundred seventy-six".