91276361089 has 16 divisors (see below), whose sum is σ = 92717239680. Its totient is φ = 89847475200.

The previous prime is 91276361039. The next prime is 91276361101. The reversal of 91276361089 is 98016367219.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91276361089 - 2¹⁵ = 91276328321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91276361039) 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, 16387297 + ... + 16392865.

It is an arithmetic number, because the mean of its divisors is an integer number (5794827480).

Almost surely, 2^91276361089 is an apocalyptic number.

It is an amenable number.

91276361089 is a deficient number, since it is larger than the sum of its proper divisors (1440878591).

91276361089 is a wasteful number, since it uses less digits than its factorization.

91276361089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 91276361089 in words is "ninety-one billion, two hundred seventy-six million, three hundred sixty-one thousand, eighty-nine".