91130047286 has 8 divisors (see below), whose sum is σ = 137086748400. Its totient is φ = 45434464488.

The previous prime is 91130047273. The next prime is 91130047313. The reversal of 91130047286 is 68274003119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65278706 + ... + 65280101.

It is an arithmetic number, because the mean of its divisors is an integer number (17135843550).

Almost surely, 2^91130047286 is an apocalyptic number.

91130047286 is a deficient number, since it is larger than the sum of its proper divisors (45956701114).

91130047286 is a wasteful number, since it uses less digits than its factorization.

91130047286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130559158.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 91130047286 in words is "ninety-one billion, one hundred thirty million, forty-seven thousand, two hundred eighty-six".