91339127955 has 48 divisors (see below), whose sum is σ = 164250987264. Its totient is φ = 48694595040.

The previous prime is 91339127953. The next prime is 91339128037. The reversal of 91339127955 is 55972193319.

It is not a de Polignac number, because 91339127955 - 2¹ = 91339127953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91339127953) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3304402 + ... + 3331928.

It is an arithmetic number, because the mean of its divisors is an integer number (3421895568).

Almost surely, 2^91339127955 is an apocalyptic number.

91339127955 is a deficient number, since it is larger than the sum of its proper divisors (72911859309).

91339127955 is a wasteful number, since it uses less digits than its factorization.

91339127955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30278 (or 30266 counting only the distinct ones).

The product of its digits is 2296350, while the sum is 54.

The spelling of 91339127955 in words is "ninety-one billion, three hundred thirty-nine million, one hundred twenty-seven thousand, nine hundred fifty-five".