92491991424 has 512 divisors, whose sum is σ = 322681651200. Its totient is φ = 25530163200.

The previous prime is 92491991399. The next prime is 92491991429. The reversal of 92491991424 is 42419919429.

92491991424 is a `hidden beast` number, since 9 + 2 + 491 + 9 + 9 + 142 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92491991429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170964594 + ... + 170965134.

It is an arithmetic number, because the mean of its divisors is an integer number (630237600).

Almost surely, 2^92491991424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 92491991424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161340825600).

92491991424 is an abundant number, since it is smaller than the sum of its proper divisors (230189659776).

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

92491991424 is a wasteful number, since it uses less digits than its factorization.

92491991424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 781 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The spelling of 92491991424 in words is "ninety-two billion, four hundred ninety-one million, nine hundred ninety-one thousand, four hundred twenty-four".