120477735817 has 4 divisors (see below), whose sum is σ = 120507716880. Its totient is φ = 120447754756.

The previous prime is 120477735793. The next prime is 120477735877. The reversal of 120477735817 is 718537774021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 718537774021 = 678463 ⋅1059067.

It is a cyclic number.

It is not a de Polignac number, because 120477735817 - 2³¹ = 118330252169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120477735877) 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, 14984503 + ... + 14992540.

It is an arithmetic number, because the mean of its divisors is an integer number (30126929220).

Almost surely, 2^120477735817 is an apocalyptic number.

It is an amenable number.

120477735817 is a deficient number, since it is larger than the sum of its proper divisors (29981063).

120477735817 is an equidigital number, since it uses as much as digits as its factorization.

120477735817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29981062.

The product of its (nonzero) digits is 2304960, while the sum is 52.

The spelling of 120477735817 in words is "one hundred twenty billion, four hundred seventy-seven million, seven hundred thirty-five thousand, eight hundred seventeen".