91887827048 has 32 divisors (see below), whose sum is σ = 172572049920. Its totient is φ = 45868680000.

The previous prime is 91887827047. The next prime is 91887827063. The reversal of 91887827048 is 84072878819.

It is not an unprimeable number, because it can be changed into a prime (91887827047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18556973 + ... + 18561923.

It is an arithmetic number, because the mean of its divisors is an integer number (5392876560).

Almost surely, 2^91887827048 is an apocalyptic number.

It is an amenable number.

91887827048 is a deficient number, since it is larger than the sum of its proper divisors (80684222872).

91887827048 is a wasteful number, since it uses less digits than its factorization.

91887827048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289 (or 8285 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 62.

The spelling of 91887827048 in words is "ninety-one billion, eight hundred eighty-seven million, eight hundred twenty-seven thousand, forty-eight".