91845127026 has 24 divisors (see below), whose sum is σ = 209471343120. Its totient is φ = 29003724216.

The previous prime is 91845126979. The next prime is 91845127097. The reversal of 91845127026 is 62072154819.

It is a super-4 number, since 4×91845127026⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134276160 + ... + 134276843.

It is an arithmetic number, because the mean of its divisors is an integer number (8727972630).

Almost surely, 2^91845127026 is an apocalyptic number.

91845127026 is an abundant number, since it is smaller than the sum of its proper divisors (117626216094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91845127026 is a wasteful number, since it uses less digits than its factorization.

91845127026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268553030 (or 268553027 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 91845127026 in words is "ninety-one billion, eight hundred forty-five million, one hundred twenty-seven thousand, twenty-six".