91140757583 has 8 divisors (see below), whose sum is σ = 92134025760. Its totient is φ = 90148584960.

The previous prime is 91140757571. The next prime is 91140757621. The reversal of 91140757583 is 38575704119.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 91140757583 - 2⁸ = 91140757327 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 (91140727583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106043 + ... + 439916.

It is an arithmetic number, because the mean of its divisors is an integer number (11516753220).

Almost surely, 2^91140757583 is an apocalyptic number.

91140757583 is a deficient number, since it is larger than the sum of its proper divisors (993268177).

91140757583 is a wasteful number, since it uses less digits than its factorization.

91140757583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547777.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 91140757583 in words is "ninety-one billion, one hundred forty million, seven hundred fifty-seven thousand, five hundred eighty-three".