40087277 has 2 divisors, whose sum is σ = 40087278. Its totient is φ = 40087276.

The previous prime is 40087261. The next prime is 40087297. The reversal of 40087277 is 77278004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 724201 = 6274^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 40087277 - 2⁴ = 40087261 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 (40087237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20043638 + 20043639.

It is an arithmetic number, because the mean of its divisors is an integer number (20043639).

Almost surely, 2^40087277 is an apocalyptic number.

It is an amenable number.

40087277 is a deficient number, since it is larger than the sum of its proper divisors (1).

40087277 is an equidigital number, since it uses as much as digits as its factorization.

40087277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 40087277 is about 6331.4514133807. The cubic root of 40087277 is about 342.2437445977.

The spelling of 40087277 in words is "forty million, eighty-seven thousand, two hundred seventy-seven".