891140682367 has 16 divisors (see below), whose sum is σ = 978311507040. Its totient is φ = 806646402432.

The previous prime is 891140682349. The next prime is 891140682371. The reversal of 891140682367 is 763286041198.

It is not a de Polignac number, because 891140682367 - 2⁷ = 891140682239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891140682347) 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, 974809 + ... + 1653037.

It is an arithmetic number, because the mean of its divisors is an integer number (61144469190).

Almost surely, 2^891140682367 is an apocalyptic number.

891140682367 is a deficient number, since it is larger than the sum of its proper divisors (87170824673).

891140682367 is a wasteful number, since it uses less digits than its factorization.

891140682367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680202.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 891140682367 in words is "eight hundred ninety-one billion, one hundred forty million, six hundred eighty-two thousand, three hundred sixty-seven".