885408987 has 16 divisors (see below), whose sum is σ = 1245312000. Its totient is φ = 558021024.

The previous prime is 885408973. The next prime is 885409009. The reversal of 885408987 is 789804588.

885408987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 885408987 - 2⁸ = 885408731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (885408917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11089 + ... + 43517.

It is an arithmetic number, because the mean of its divisors is an integer number (77832000).

Almost surely, 2^885408987 is an apocalyptic number.

885408987 is a deficient number, since it is larger than the sum of its proper divisors (359903013).

885408987 is a wasteful number, since it uses less digits than its factorization.

885408987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32930.

The product of its (nonzero) digits is 5160960, while the sum is 57.

The square root of 885408987 is about 29755.8227411040. The cubic root of 885408987 is about 960.2433508511.

The spelling of 885408987 in words is "eight hundred eighty-five million, four hundred eight thousand, nine hundred eighty-seven".