120397774663 has 4 divisors (see below), whose sum is σ = 127479996720. Its totient is φ = 113315552608.

The previous prime is 120397774597. The next prime is 120397774667. The reversal of 120397774663 is 366477793021.

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

It is a cyclic number.

It is not a de Polignac number, because 120397774663 - 2¹⁷ = 120397643591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120397774667) 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, 3541111003 + ... + 3541111036.

It is an arithmetic number, because the mean of its divisors is an integer number (31869999180).

Almost surely, 2^120397774663 is an apocalyptic number.

120397774663 is a deficient number, since it is larger than the sum of its proper divisors (7082222057).

120397774663 is an equidigital number, since it uses as much as digits as its factorization.

120397774663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082222056.

The product of its (nonzero) digits is 8001504, while the sum is 55.

The spelling of 120397774663 in words is "one hundred twenty billion, three hundred ninety-seven million, seven hundred seventy-four thousand, six hundred sixty-three".