63471357852 has 48 divisors (see below), whose sum is σ = 169868052480. Its totient is φ = 18069198912.

The previous prime is 63471357847. The next prime is 63471357857. The reversal of 63471357852 is 25875317436.

63471357852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63471357847) and next prime (63471357857).

It is a super-2 number, since 2×63471357852² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63471357795 and 63471357804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63471357857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340652 + ... + 1387187.

It is an arithmetic number, because the mean of its divisors is an integer number (3538917760).

Almost surely, 2^63471357852 is an apocalyptic number.

It is an amenable number.

63471357852 is an abundant number, since it is smaller than the sum of its proper divisors (106396694628).

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

63471357852 is a wasteful number, since it uses less digits than its factorization.

63471357852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728130 (or 2728128 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The spelling of 63471357852 in words is "sixty-three billion, four hundred seventy-one million, three hundred fifty-seven thousand, eight hundred fifty-two".