99477678223 has 8 divisors (see below), whose sum is σ = 124024118400. Its totient is φ = 77515073880.

The previous prime is 99477678199. The next prime is 99477678229. The reversal of 99477678223 is 32287677499.

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 99477678223 - 2¹³ = 99477670031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99477678229) 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, 645958873 + ... + 645959026.

It is an arithmetic number, because the mean of its divisors is an integer number (15503014800).

Almost surely, 2^99477678223 is an apocalyptic number.

99477678223 is a deficient number, since it is larger than the sum of its proper divisors (24546440177).

99477678223 is a wasteful number, since it uses less digits than its factorization.

99477678223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291917917.

The product of its digits is 64012032, while the sum is 64.

The spelling of 99477678223 in words is "ninety-nine billion, four hundred seventy-seven million, six hundred seventy-eight thousand, two hundred twenty-three".