91594020798 has 48 divisors (see below), whose sum is σ = 226889800800. Its totient is φ = 26159848128.

The previous prime is 91594020797. The next prime is 91594020821. The reversal of 91594020798 is 89702049519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91594020797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201528 + ... + 473076.

It is an arithmetic number, because the mean of its divisors is an integer number (4726870850).

Almost surely, 2^91594020798 is an apocalyptic number.

91594020798 is an abundant number, since it is smaller than the sum of its proper divisors (135295780002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91594020798 is a wasteful number, since it uses less digits than its factorization.

91594020798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274241 (or 274238 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 91594020798 in words is "ninety-one billion, five hundred ninety-four million, twenty thousand, seven hundred ninety-eight".