900072867 has 4 divisors (see below), whose sum is σ = 1200097160. Its totient is φ = 600048576.

The previous prime is 900072863. The next prime is 900072881. The reversal of 900072867 is 768270009.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 900072867 - 2² = 900072863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900072863) 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, 150012142 + ... + 150012147.

It is an arithmetic number, because the mean of its divisors is an integer number (300024290).

Almost surely, 2^900072867 is an apocalyptic number.

900072867 is a deficient number, since it is larger than the sum of its proper divisors (300024293).

900072867 is a wasteful number, since it uses less digits than its factorization.

900072867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300024292.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 900072867 is about 30001.2144254195. The cubic root of 900072867 is about 965.5154403154.

The spelling of 900072867 in words is "nine hundred million, seventy-two thousand, eight hundred sixty-seven".