99953477229 has 16 divisors (see below), whose sum is σ = 135199741248. Its totient is φ = 65677756032.

The previous prime is 99953477209. The next prime is 99953477291. The reversal of 99953477229 is 92277435999.

It is not a de Polignac number, because 99953477229 - 2⁷ = 99953477101 is a prime.

It is a super-2 number, since 2×99953477229² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99953477229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99953477209) 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, 727072 + ... + 853545.

It is an arithmetic number, because the mean of its divisors is an integer number (8449983828).

Almost surely, 2^99953477229 is an apocalyptic number.

It is an amenable number.

99953477229 is a deficient number, since it is larger than the sum of its proper divisors (35246264019).

99953477229 is a wasteful number, since it uses less digits than its factorization.

99953477229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580924.

The product of its digits is 77157360, while the sum is 66.

The spelling of 99953477229 in words is "ninety-nine billion, nine hundred fifty-three million, four hundred seventy-seven thousand, two hundred twenty-nine".