128703193710 has 256 divisors, whose sum is σ = 391736217600. Its totient is φ = 26888440320.

The previous prime is 128703193699. The next prime is 128703193741. The reversal of 128703193710 is 17391307821.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13773640 + ... + 13782980.

It is an arithmetic number, because the mean of its divisors is an integer number (1530219600).

Almost surely, 2^128703193710 is an apocalyptic number.

128703193710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128703193710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195868108800).

128703193710 is an abundant number, since it is smaller than the sum of its proper divisors (263033023890).

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

128703193710 is a wasteful number, since it uses less digits than its factorization.

128703193710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488 (or 9474 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 128703193710 in words is "one hundred twenty-eight billion, seven hundred three million, one hundred ninety-three thousand, seven hundred ten".