128787535070 has 16 divisors (see below), whose sum is σ = 231889860720. Its totient is φ = 51498947904.

The previous prime is 128787535027. The next prime is 128787535111. The reversal of 128787535070 is 70535787821.

It is a congruent number.

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, 1974572 + ... + 2038751.

It is an arithmetic number, because the mean of its divisors is an integer number (14493116295).

Almost surely, 2^128787535070 is an apocalyptic number.

128787535070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128787535070 is a deficient number, since it is larger than the sum of its proper divisors (103102325650).

128787535070 is a wasteful number, since it uses less digits than its factorization.

128787535070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016539.

The product of its (nonzero) digits is 3292800, while the sum is 53.

The spelling of 128787535070 in words is "one hundred twenty-eight billion, seven hundred eighty-seven million, five hundred thirty-five thousand, seventy".