99477725605 has 8 divisors (see below), whose sum is σ = 119500134264. Its totient is φ = 79497604800.

The previous prime is 99477725603. The next prime is 99477725609. The reversal of 99477725605 is 50652777499.

It can be written as a sum of positive squares in 4 ways, for example, as 247055524 + 99230670081 = 15718^2 + 315009^2 .

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

It is not a de Polignac number, because 99477725605 - 2¹ = 99477725603 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 (99477725603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10566786 + ... + 10576195.

It is an arithmetic number, because the mean of its divisors is an integer number (14937516783).

Almost surely, 2^99477725605 is an apocalyptic number.

It is an amenable number.

99477725605 is a deficient number, since it is larger than the sum of its proper divisors (20022408659).

99477725605 is a wasteful number, since it uses less digits than its factorization.

99477725605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21143927.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 99477725605 in words is "ninety-nine billion, four hundred seventy-seven million, seven hundred twenty-five thousand, six hundred five".