36077766437 has 2 divisors, whose sum is σ = 36077766438. Its totient is φ = 36077766436.

The previous prime is 36077766433. The next prime is 36077766481. The reversal of 36077766437 is 73466777063.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24561471841 + 11516294596 = 156721^2 + 107314^2 .

It is a cyclic number.

It is not a de Polignac number, because 36077766437 - 2² = 36077766433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36077766433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18038883218 + 18038883219.

It is an arithmetic number, because the mean of its divisors is an integer number (18038883219).

Almost surely, 2^36077766437 is an apocalyptic number.

It is an amenable number.

36077766437 is a deficient number, since it is larger than the sum of its proper divisors (1).

36077766437 is an equidigital number, since it uses as much as digits as its factorization.

36077766437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18670176, while the sum is 56.

The spelling of 36077766437 in words is "thirty-six billion, seventy-seven million, seven hundred sixty-six thousand, four hundred thirty-seven".