36778486739 has 2 divisors, whose sum is σ = 36778486740. Its totient is φ = 36778486738.

The previous prime is 36778486727. The next prime is 36778486753. The reversal of 36778486739 is 93768487763.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36778486739 - 2²⁸ = 36510051283 is a prime.

It is not a weakly prime, because it can be changed into another prime (36778486139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18389243369 + 18389243370.

It is an arithmetic number, because the mean of its divisors is an integer number (18389243370).

Almost surely, 2^36778486739 is an apocalyptic number.

36778486739 is a deficient number, since it is larger than the sum of its proper divisors (1).

36778486739 is an equidigital number, since it uses as much as digits as its factorization.

36778486739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256048128, while the sum is 68.

The spelling of 36778486739 in words is "thirty-six billion, seven hundred seventy-eight million, four hundred eighty-six thousand, seven hundred thirty-nine".