120279886269779 has 4 divisors (see below), whose sum is σ = 120280227819576. Its totient is φ = 120279544719984.

The previous prime is 120279886269709. The next prime is 120279886269887. The reversal of 120279886269779 is 977962688972021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120279886269779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120279886269697 and 120279886269706.

It is not an unprimeable number, because it can be changed into a prime (120279886269709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170246114 + ... + 170951159.

It is an arithmetic number, because the mean of its divisors is an integer number (30070056954894).

Almost surely, 2^{120279886269779} is an apocalyptic number.

120279886269779 is a deficient number, since it is larger than the sum of its proper divisors (341549797).

120279886269779 is an equidigital number, since it uses as much as digits as its factorization.

120279886269779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341549796.

The product of its (nonzero) digits is 4608866304, while the sum is 83.

The spelling of 120279886269779 in words is "one hundred twenty trillion, two hundred seventy-nine billion, eight hundred eighty-six million, two hundred sixty-nine thousand, seven hundred seventy-nine".