99500078019 has 8 divisors (see below), whose sum is σ = 132668440912. Its totient is φ = 66332550240.

The previous prime is 99500077967. The next prime is 99500078023. The reversal of 99500078019 is 91087000599.

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

It is not a de Polignac number, because 99500078019 - 2⁹ = 99500077507 is a prime.

It is a super-2 number, since 2×99500078019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99500078519) 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, 164649 + ... + 475509.

It is an arithmetic number, because the mean of its divisors is an integer number (16583555114).

Almost surely, 2^99500078019 is an apocalyptic number.

99500078019 is a deficient number, since it is larger than the sum of its proper divisors (33168362893).

99500078019 is a wasteful number, since it uses less digits than its factorization.

99500078019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417557.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 99500078019 in words is "ninety-nine billion, five hundred million, seventy-eight thousand, nineteen".