91522677122 has 6 divisors (see below), whose sum is σ = 137284657443. Its totient is φ = 45761124642.

The previous prime is 91522677109. The next prime is 91522677137. The reversal of 91522677122 is 22177622519.

It can be written as a sum of positive squares in only one way, i.e., 45761338561 + 45761338561 = 213919^2 + 213919^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=213919.

It is a super-3 number, since 3×91522677122³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 320879 + ... + 534797.

Almost surely, 2^91522677122 is an apocalyptic number.

91522677122 is a deficient number, since it is larger than the sum of its proper divisors (45761980321).

91522677122 is an frugal number, since it uses more digits than its factorization.

91522677122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427840 (or 213921 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The spelling of 91522677122 in words is "ninety-one billion, five hundred twenty-two million, six hundred seventy-seven thousand, one hundred twenty-two".