36385481977 has 16 divisors (see below), whose sum is σ = 40072435200. Its totient is φ = 32827338432.

The previous prime is 36385481969. The next prime is 36385482013. The reversal of 36385481977 is 77918458363.

It is a cyclic number.

It is not a de Polignac number, because 36385481977 - 2³ = 36385481969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36385481947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413899 + ... + 494047.

It is an arithmetic number, because the mean of its divisors is an integer number (2504527200).

Almost surely, 2^36385481977 is an apocalyptic number.

It is an amenable number.

36385481977 is a deficient number, since it is larger than the sum of its proper divisors (3686953223).

36385481977 is a wasteful number, since it uses less digits than its factorization.

36385481977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80952.

The product of its digits is 30481920, while the sum is 61.

The spelling of 36385481977 in words is "thirty-six billion, three hundred eighty-five million, four hundred eighty-one thousand, nine hundred seventy-seven".