906900887 has 4 divisors (see below), whose sum is σ = 960248016. Its totient is φ = 853553760.

The previous prime is 906900871. The next prime is 906900899. The reversal of 906900887 is 788009609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788009609 = 37 ⋅21297557.

It is a cyclic number.

It is not a de Polignac number, because 906900887 - 2⁴ = 906900871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906900587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26673539 + ... + 26673572.

It is an arithmetic number, because the mean of its divisors is an integer number (240062004).

Almost surely, 2^906900887 is an apocalyptic number.

906900887 is a deficient number, since it is larger than the sum of its proper divisors (53347129).

906900887 is a wasteful number, since it uses less digits than its factorization.

906900887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53347128.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 906900887 is about 30114.7951512209. The cubic root of 906900887 is about 967.9507831766.

The spelling of 906900887 in words is "nine hundred six million, nine hundred thousand, eight hundred eighty-seven".