63690772386 has 16 divisors (see below), whose sum is σ = 128041555104. Its totient is φ = 21120255744.

The previous prime is 63690772367. The next prime is 63690772441. The reversal of 63690772386 is 68327709636.

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, 27499176 + ... + 27501491.

It is an arithmetic number, because the mean of its divisors is an integer number (8002597194).

Almost surely, 2^63690772386 is an apocalyptic number.

63690772386 is an abundant number, since it is smaller than the sum of its proper divisors (64350782718).

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

63690772386 is a wasteful number, since it uses less digits than its factorization.

63690772386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55000865.

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 63690772386 in words is "sixty-three billion, six hundred ninety million, seven hundred seventy-two thousand, three hundred eighty-six".