40977247 has 2 divisors, whose sum is σ = 40977248. Its totient is φ = 40977246.

The previous prime is 40977229. The next prime is 40977253. The reversal of 40977247 is 74277904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40977247 - 2⁷ = 40977119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40977227) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20488623 + 20488624.

It is an arithmetic number, because the mean of its divisors is an integer number (20488624).

Almost surely, 2^40977247 is an apocalyptic number.

40977247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40977247 is an equidigital number, since it uses as much as digits as its factorization.

40977247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 40977247 is about 6401.3472800653. The cubic root of 40977247 is about 344.7579258231.

The spelling of 40977247 in words is "forty million, nine hundred seventy-seven thousand, two hundred forty-seven".