63980927902 has 16 divisors (see below), whose sum is σ = 105414802560. Its totient is φ = 28989069912.

The previous prime is 63980927893. The next prime is 63980927911. The reversal of 63980927902 is 20972908936.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63980927893) and next prime (63980927911).

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, 36601488 + ... + 36603235.

It is an arithmetic number, because the mean of its divisors is an integer number (6588425160).

Almost surely, 2^63980927902 is an apocalyptic number.

63980927902 is a deficient number, since it is larger than the sum of its proper divisors (41433874658).

63980927902 is a wasteful number, since it uses less digits than its factorization.

63980927902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73204767.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 63980927902 in words is "sixty-three billion, nine hundred eighty million, nine hundred twenty-seven thousand, nine hundred two".