99700095478 has 4 divisors (see below), whose sum is σ = 149550143220. Its totient is φ = 49850047738.

The previous prime is 99700095421. The next prime is 99700095529. The reversal of 99700095478 is 87459000799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87459000799 = 541 ⋅161661739.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24925023868 + ... + 24925023871.

It is an arithmetic number, because the mean of its divisors is an integer number (37387535805).

Almost surely, 2^99700095478 is an apocalyptic number.

99700095478 is a deficient number, since it is larger than the sum of its proper divisors (49850047742).

99700095478 is a wasteful number, since it uses less digits than its factorization.

99700095478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49850047741.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 99700095478 in words is "ninety-nine billion, seven hundred million, ninety-five thousand, four hundred seventy-eight".