36782719997 has 4 divisors (see below), whose sum is σ = 36783212256. Its totient is φ = 36782227740.

The previous prime is 36782719993. The next prime is 36782720063. The reversal of 36782719997 is 79991728763.

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: 79991728763 = 1051 ⋅76110113.

It is a cyclic number.

It is not a de Polignac number, because 36782719997 - 2² = 36782719993 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 (36782719993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108329 + ... + 292062.

It is an arithmetic number, because the mean of its divisors is an integer number (9195803064).

Almost surely, 2^36782719997 is an apocalyptic number.

It is an amenable number.

36782719997 is a deficient number, since it is larger than the sum of its proper divisors (492259).

36782719997 is an equidigital number, since it uses as much as digits as its factorization.

36782719997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492258.

The product of its digits is 72013536, while the sum is 68.

The spelling of 36782719997 in words is "thirty-six billion, seven hundred eighty-two million, seven hundred nineteen thousand, nine hundred ninety-seven".