63128858280 has 32 divisors (see below), whose sum is σ = 189386575200. Its totient is φ = 16834362176.

The previous prime is 63128858263. The next prime is 63128858297. The reversal of 63128858280 is 8285882136.

It is an interprime number because it is at equal distance from previous prime (63128858263) and next prime (63128858297).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 263036790 + ... + 263037029.

It is an arithmetic number, because the mean of its divisors is an integer number (5918330475).

Almost surely, 2^63128858280 is an apocalyptic number.

63128858280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63128858280 is an abundant number, since it is smaller than the sum of its proper divisors (126257716920).

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

63128858280 is a wasteful number, since it uses less digits than its factorization.

63128858280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526073833 (or 526073829 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 63128858280 in words is "sixty-three billion, one hundred twenty-eight million, eight hundred fifty-eight thousand, two hundred eighty".