128345767776074 has 32 divisors (see below), whose sum is σ = 198681976897536. Its totient is φ = 62144661000240.

The previous prime is 128345767776029. The next prime is 128345767776089. The reversal of 128345767776074 is 470677767543821.

It is a super-2 number, since 2×128345767776074² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128345767775992 and 128345767776010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12071999 + ... + 20060525.

It is an arithmetic number, because the mean of its divisors is an integer number (6208811778048).

Almost surely, 2^{128345767776074} is an apocalyptic number.

128345767776074 is a deficient number, since it is larger than the sum of its proper divisors (70336209121462).

128345767776074 is a wasteful number, since it uses less digits than its factorization.

128345767776074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990170.

The product of its (nonzero) digits is 2323399680, while the sum is 74.

The spelling of 128345767776074 in words is "one hundred twenty-eight trillion, three hundred forty-five billion, seven hundred sixty-seven million, seven hundred seventy-six thousand, seventy-four".