36877969 has 2 divisors, whose sum is σ = 36877970. Its totient is φ = 36877968.

The previous prime is 36877957. The next prime is 36877991. The reversal of 36877969 is 96977863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 877969 = 6000^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 36877969 - 2⁹ = 36877457 is a prime.

It is a super-2 number, since 2×36877969² = 2719969195129922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36877909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18438984 + 18438985.

It is an arithmetic number, because the mean of its divisors is an integer number (18438985).

Almost surely, 2^36877969 is an apocalyptic number.

It is an amenable number.

36877969 is a deficient number, since it is larger than the sum of its proper divisors (1).

36877969 is an equidigital number, since it uses as much as digits as its factorization.

36877969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The square root of 36877969 is about 6072.7233594163. The cubic root of 36877969 is about 332.8554444162.

It can be divided in two parts, 36 and 877969, that multiplied together give a square (31606884 = 5622²).

The spelling of 36877969 in words is "thirty-six million, eight hundred seventy-seven thousand, nine hundred sixty-nine".