99270551 has 8 divisors (see below), whose sum is σ = 100623600. Its totient is φ = 97925760.

The previous prime is 99270539. The next prime is 99270557. The reversal of 99270551 is 15507299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99270551 - 2²⁶ = 32161687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99270557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24380 + ... + 28158.

It is an arithmetic number, because the mean of its divisors is an integer number (12577950).

Almost surely, 2^99270551 is an apocalyptic number.

99270551 is a deficient number, since it is larger than the sum of its proper divisors (1353049).

99270551 is a wasteful number, since it uses less digits than its factorization.

99270551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 99270551 is about 9963.4607943224. The cubic root of 99270551 is about 463.0275272194.

The spelling of 99270551 in words is "ninety-nine million, two hundred seventy thousand, five hundred fifty-one".