90797801471 has 16 divisors (see below), whose sum is σ = 98791442400. Its totient is φ = 82950497280.

The previous prime is 90797801417. The next prime is 90797801491. The reversal of 90797801471 is 17410879709.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90797801471 - 2¹⁰ = 90797800447 is a prime.

It is a super-3 number, since 3×90797801471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90797801491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970355 + ... + 1059803.

It is an arithmetic number, because the mean of its divisors is an integer number (6174465150).

Almost surely, 2^90797801471 is an apocalyptic number.

90797801471 is a deficient number, since it is larger than the sum of its proper divisors (7993640929).

90797801471 is a wasteful number, since it uses less digits than its factorization.

90797801471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90266.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 90797801471 in words is "ninety billion, seven hundred ninety-seven million, eight hundred one thousand, four hundred seventy-one".