99530779454 has 8 divisors (see below), whose sum is σ = 150617374560. Its totient is φ = 49324987936.

The previous prime is 99530779367. The next prime is 99530779459. The reversal of 99530779454 is 45497703599.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99530779459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220200614 + ... + 220201065.

It is an arithmetic number, because the mean of its divisors is an integer number (18827171820).

Almost surely, 2^99530779454 is an apocalyptic number.

99530779454 is a deficient number, since it is larger than the sum of its proper divisors (51086595106).

99530779454 is a wasteful number, since it uses less digits than its factorization.

99530779454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440401794.

The product of its (nonzero) digits is 42865200, while the sum is 62.

The spelling of 99530779454 in words is "ninety-nine billion, five hundred thirty million, seven hundred seventy-nine thousand, four hundred fifty-four".