63789902 has 16 divisors (see below), whose sum is σ = 108922752. Its totient is φ = 27734520.

The previous prime is 63789889. The next prime is 63789911. The reversal of 63789902 is 20998736.

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, 62528 + ... + 63539.

It is an arithmetic number, because the mean of its divisors is an integer number (6807672).

Almost surely, 2^63789902 is an apocalyptic number.

63789902 is a deficient number, since it is larger than the sum of its proper divisors (45132850).

63789902 is a wasteful number, since it uses less digits than its factorization.

63789902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126103.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 63789902 is about 7986.8580806222. The cubic root of 63789902 is about 399.5618159956.

The spelling of 63789902 in words is "sixty-three million, seven hundred eighty-nine thousand, nine hundred two".