36977489 has 2 divisors, whose sum is σ = 36977490. Its totient is φ = 36977488.

The previous prime is 36977471. The next prime is 36977497. The reversal of 36977489 is 98477963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 3534400 = 5783^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 36977489 - 2²⁰ = 35928913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36977489.

It is not a weakly prime, because it can be changed into another prime (36977419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18488744 + 18488745.

It is an arithmetic number, because the mean of its divisors is an integer number (18488745).

Almost surely, 2^36977489 is an apocalyptic number.

It is an amenable number.

36977489 is a deficient number, since it is larger than the sum of its proper divisors (1).

36977489 is an equidigital number, since it uses as much as digits as its factorization.

36977489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 36977489 is about 6080.9118559637. The cubic root of 36977489 is about 333.1545933955.

The spelling of 36977489 in words is "thirty-six million, nine hundred seventy-seven thousand, four hundred eighty-nine".