906207134687 has 4 divisors (see below), whose sum is σ = 921062989416. Its totient is φ = 891351279960.

The previous prime is 906207134683. The next prime is 906207134711. The reversal of 906207134687 is 786431702609.

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

It is a cyclic number.

It is not a de Polignac number, because 906207134687 - 2² = 906207134683 is a prime.

It is a super-2 number, since 2×906207134687² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906207134683) 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, 7427927273 + ... + 7427927394.

It is an arithmetic number, because the mean of its divisors is an integer number (230265747354).

Almost surely, 2^906207134687 is an apocalyptic number.

906207134687 is a deficient number, since it is larger than the sum of its proper divisors (14855854729).

906207134687 is a wasteful number, since it uses less digits than its factorization.

906207134687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14855854728.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 906207134687 in words is "nine hundred six billion, two hundred seven million, one hundred thirty-four thousand, six hundred eighty-seven".