36117780979 has 96 divisors (see below), whose sum is σ = 47028480000. Its totient is φ = 27639480960.

The previous prime is 36117780949. The next prime is 36117780983. The reversal of 36117780979 is 97908771163.

36117780979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36117780979 - 2¹⁷ = 36117649907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36117780949) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 457187062 + ... + 457187140.

It is an arithmetic number, because the mean of its divisors is an integer number (489880000).

Almost surely, 2^36117780979 is an apocalyptic number.

36117780979 is a deficient number, since it is larger than the sum of its proper divisors (10910699021).

36117780979 is an equidigital number, since it uses as much as digits as its factorization.

36117780979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 58.

The spelling of 36117780979 in words is "thirty-six billion, one hundred seventeen million, seven hundred eighty thousand, nine hundred seventy-nine".