40826887 has 2 divisors, whose sum is σ = 40826888. Its totient is φ = 40826886.

The previous prime is 40826861. The next prime is 40826923. The reversal of 40826887 is 78862804.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40826887 is a prime.

It is a super-2 number, since 2×40826887² = 3333669404221538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40826827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20413443 + 20413444.

It is an arithmetic number, because the mean of its divisors is an integer number (20413444).

Almost surely, 2^40826887 is an apocalyptic number.

40826887 is a deficient number, since it is larger than the sum of its proper divisors (1).

40826887 is an equidigital number, since it uses as much as digits as its factorization.

40826887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 40826887 is about 6389.5920840066. The cubic root of 40826887 is about 344.3357294513.

The spelling of 40826887 in words is "forty million, eight hundred twenty-six thousand, eight hundred eighty-seven".