40983977 has 2 divisors, whose sum is σ = 40983978. Its totient is φ = 40983976.

The previous prime is 40983973. The next prime is 40983997. The reversal of 40983977 is 77938904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36192256 + 4791721 = 6016^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 40983977 - 2² = 40983973 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40983973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20491988 + 20491989.

It is an arithmetic number, because the mean of its divisors is an integer number (20491989).

Almost surely, 2^40983977 is an apocalyptic number.

It is an amenable number.

40983977 is a deficient number, since it is larger than the sum of its proper divisors (1).

40983977 is an equidigital number, since it uses as much as digits as its factorization.

40983977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 40983977 is about 6401.8729290732. The cubic root of 40983977 is about 344.7767988482.

The spelling of 40983977 in words is "forty million, nine hundred eighty-three thousand, nine hundred seventy-seven".