36778780841 has 4 divisors (see below), whose sum is σ = 40122306384. Its totient is φ = 33435255300.

The previous prime is 36778780837. The next prime is 36778780861. The reversal of 36778780841 is 14808787763.

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.

It is a cyclic number.

It is not a de Polignac number, because 36778780841 - 2² = 36778780837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36778780861) 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, 1671762755 + ... + 1671762776.

It is an arithmetic number, because the mean of its divisors is an integer number (10030576596).

Almost surely, 2^36778780841 is an apocalyptic number.

It is an amenable number.

36778780841 is a deficient number, since it is larger than the sum of its proper divisors (3343525543).

36778780841 is a wasteful number, since it uses less digits than its factorization.

36778780841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343525542.

The product of its (nonzero) digits is 12644352, while the sum is 59.

The spelling of 36778780841 in words is "thirty-six billion, seven hundred seventy-eight million, seven hundred eighty thousand, eight hundred forty-one".