208542867 has 16 divisors (see below), whose sum is σ = 299728128. Its totient is φ = 128213280.

The previous prime is 208542847. The next prime is 208542871. The reversal of 208542867 is 768245802.

It is a happy number.

208542867 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 208542867 - 2⁷ = 208542739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208542827) 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, 57642 + ... + 61152.

It is an arithmetic number, because the mean of its divisors is an integer number (18733008).

Almost surely, 2^208542867 is an apocalyptic number.

208542867 is a deficient number, since it is larger than the sum of its proper divisors (91185261).

208542867 is a wasteful number, since it uses less digits than its factorization.

208542867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 208542867 is about 14441.0133647193. The cubic root of 208542867 is about 593.0142278616.

The spelling of 208542867 in words is "two hundred eight million, five hundred forty-two thousand, eight hundred sixty-seven".