91367801 has 6 divisors (see below), whose sum is σ = 106285050. Its totient is φ = 78315216.

The previous prime is 91367797. The next prime is 91367821. The reversal of 91367801 is 10876319.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 6635776 = 9205^2 + 2576^2 .

It is not a de Polignac number, because 91367801 - 2² = 91367797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91367821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 932276 + ... + 932373.

It is an arithmetic number, because the mean of its divisors is an integer number (17714175).

Almost surely, 2^91367801 is an apocalyptic number.

It is an amenable number.

91367801 is a deficient number, since it is larger than the sum of its proper divisors (14917249).

91367801 is a wasteful number, since it uses less digits than its factorization.

91367801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864663 (or 1864656 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 91367801 is about 9558.6505846798. The cubic root of 91367801 is about 450.3993179791.

The spelling of 91367801 in words is "ninety-one million, three hundred sixty-seven thousand, eight hundred one".