63890088 has 32 divisors (see below), whose sum is σ = 163442400. Its totient is φ = 20801088.

The previous prime is 63890059. The next prime is 63890093. The reversal of 63890088 is 88009836.

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, 29923 + ... + 31986.

It is an arithmetic number, because the mean of its divisors is an integer number (5107575).

Almost surely, 2^63890088 is an apocalyptic number.

It is an amenable number.

63890088 is an abundant number, since it is smaller than the sum of its proper divisors (99552312).

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

63890088 is a wasteful number, since it uses less digits than its factorization.

63890088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61961 (or 61957 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 63890088 is about 7993.1275480878. The cubic root of 63890088 is about 399.7708854580.

The spelling of 63890088 in words is "sixty-three million, eight hundred ninety thousand, eighty-eight".