99479743 has 4 divisors (see below), whose sum is σ = 108523368. Its totient is φ = 90436120.

The previous prime is 99479741. The next prime is 99479771. The reversal of 99479743 is 34797499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34797499 = 11 ⋅3163409.

It is a cyclic number.

It is not a de Polignac number, because 99479743 - 2¹ = 99479741 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 (99479741) 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 3 ways as a sum of consecutive naturals, for example, 4521796 + ... + 4521817.

It is an arithmetic number, because the mean of its divisors is an integer number (27130842).

Almost surely, 2^99479743 is an apocalyptic number.

99479743 is a deficient number, since it is larger than the sum of its proper divisors (9043625).

99479743 is a wasteful number, since it uses less digits than its factorization.

99479743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9043624.

The product of its digits is 1714608, while the sum is 52.

The square root of 99479743 is about 9973.9532282842. The cubic root of 99479743 is about 463.3525437003.

The spelling of 99479743 in words is "ninety-nine million, four hundred seventy-nine thousand, seven hundred forty-three".