407159887 has 2 divisors, whose sum is σ = 407159888. Its totient is φ = 407159886.

The previous prime is 407159881. The next prime is 407159897. The reversal of 407159887 is 788951704.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407159887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 407159887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407159881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203579943 + 203579944.

It is an arithmetic number, because the mean of its divisors is an integer number (203579944).

Almost surely, 2^407159887 is an apocalyptic number.

407159887 is a deficient number, since it is larger than the sum of its proper divisors (1).

407159887 is an equidigital number, since it uses as much as digits as its factorization.

407159887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 407159887 is about 20178.2032649094. The cubic root of 407159887 is about 741.1765354081.

The spelling of 407159887 in words is "four hundred seven million, one hundred fifty-nine thousand, eight hundred eighty-seven".