40887598962697 has 2 divisors, whose sum is σ = 40887598962698. Its totient is φ = 40887598962696.

The previous prime is 40887598962689. The next prime is 40887598962731. The reversal of 40887598962697 is 79626989578804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25366291958016 + 15521307004681 = 5036496^2 + 3939709^2 .

It is a cyclic number.

It is not a de Polignac number, because 40887598962697 - 2³ = 40887598962689 is a prime.

It is not a weakly prime, because it can be changed into another prime (40887598962607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20443799481348 + 20443799481349.

It is an arithmetic number, because the mean of its divisors is an integer number (20443799481349).

Almost surely, 2^{40887598962697} is an apocalyptic number.

It is an amenable number.

40887598962697 is a deficient number, since it is larger than the sum of its proper divisors (1).

40887598962697 is an equidigital number, since it uses as much as digits as its factorization.

40887598962697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26336378880, while the sum is 88.

The spelling of 40887598962697 in words is "forty trillion, eight hundred eighty-seven billion, five hundred ninety-eight million, nine hundred sixty-two thousand, six hundred ninety-seven".