36971977 has 4 divisors (see below), whose sum is σ = 42253696. Its totient is φ = 31690260.

The previous prime is 36971951. The next prime is 36971981. The reversal of 36971977 is 77917963.

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 not a de Polignac number, because 36971977 - 2⁷ = 36971849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36971977.

It is not an unprimeable number, because it can be changed into a prime (36971927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640849 + ... + 2640862.

It is an arithmetic number, because the mean of its divisors is an integer number (10563424).

Almost surely, 2^36971977 is an apocalyptic number.

It is an amenable number.

36971977 is a deficient number, since it is larger than the sum of its proper divisors (5281719).

36971977 is an equidigital number, since it uses as much as digits as its factorization.

36971977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281718.

The product of its digits is 500094, while the sum is 49.

The square root of 36971977 is about 6080.4586175715. The cubic root of 36971977 is about 333.1380388247.

The spelling of 36971977 in words is "thirty-six million, nine hundred seventy-one thousand, nine hundred seventy-seven".