40787107 has 2 divisors, whose sum is σ = 40787108. Its totient is φ = 40787106.

The previous prime is 40787069. The next prime is 40787143. The reversal of 40787107 is 70178704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40787107 - 2¹⁵ = 40754339 is a prime.

It is not a weakly prime, because it can be changed into another prime (40787207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20393553 + 20393554.

It is an arithmetic number, because the mean of its divisors is an integer number (20393554).

Almost surely, 2^40787107 is an apocalyptic number.

40787107 is a deficient number, since it is larger than the sum of its proper divisors (1).

40787107 is an equidigital number, since it uses as much as digits as its factorization.

40787107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 40787107 is about 6386.4784506017. The cubic root of 40787107 is about 344.2238576959.

The spelling of 40787107 in words is "forty million, seven hundred eighty-seven thousand, one hundred seven".