2123456677790 has 16 divisors (see below), whose sum is σ = 4368253737312. Its totient is φ = 728042289504.

The previous prime is 2123456677759. The next prime is 2123456677807. The reversal of 2123456677790 is 977766543212.

It is a super-3 number, since 3×2123456677790³ (a number of 38 digits) contains 333 as substring.

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, 15167547629 + ... + 15167547768.

It is an arithmetic number, because the mean of its divisors is an integer number (273015858582).

Almost surely, 2^{2123456677790} is an apocalyptic number.

2123456677790 is an abundant number, since it is smaller than the sum of its proper divisors (2244797059522).

2123456677790 is a wasteful number, since it uses less digits than its factorization.

2123456677790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30335095411.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 2123456677790 in words is "two trillion, one hundred twenty-three billion, four hundred fifty-six million, six hundred seventy-seven thousand, seven hundred ninety".