91876455446 has 4 divisors (see below), whose sum is σ = 137814683172. Its totient is φ = 45938227722.

The previous prime is 91876455371. The next prime is 91876455457. The reversal of 91876455446 is 64455467819.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22969113860 + ... + 22969113863.

It is an arithmetic number, because the mean of its divisors is an integer number (34453670793).

Almost surely, 2^91876455446 is an apocalyptic number.

91876455446 is a deficient number, since it is larger than the sum of its proper divisors (45938227726).

91876455446 is a wasteful number, since it uses less digits than its factorization.

91876455446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45938227725.

The product of its digits is 29030400, while the sum is 59.

The spelling of 91876455446 in words is "ninety-one billion, eight hundred seventy-six million, four hundred fifty-five thousand, four hundred forty-six".