63128078070 has 32 divisors (see below), whose sum is σ = 151517897568. Its totient is φ = 16832986368.

The previous prime is 63128078063. The next prime is 63128078071. The reversal of 63128078070 is 7087082136.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63128078071) 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, 421632 + ... + 551388.

It is an arithmetic number, because the mean of its divisors is an integer number (4734934299).

Almost surely, 2^63128078070 is an apocalyptic number.

63128078070 is an abundant number, since it is smaller than the sum of its proper divisors (88389819498).

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

63128078070 is a wasteful number, since it uses less digits than its factorization.

63128078070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145984.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 63128078070 in words is "sixty-three billion, one hundred twenty-eight million, seventy-eight thousand, seventy".