63462857720 has 16 divisors (see below), whose sum is σ = 142791429960. Its totient is φ = 25385143072.

The previous prime is 63462857683. The next prime is 63462857723. The reversal of 63462857720 is 2775826436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63462857723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793285682 + ... + 793285761.

Almost surely, 2^63462857720 is an apocalyptic number.

It is an amenable number.

63462857720 is an abundant number, since it is smaller than the sum of its proper divisors (79328572240).

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

63462857720 is a wasteful number, since it uses less digits than its factorization.

63462857720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586571454 (or 1586571450 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 63462857720 in words is "sixty-three billion, four hundred sixty-two million, eight hundred fifty-seven thousand, seven hundred twenty".