99471758398 has 16 divisors (see below), whose sum is σ = 149545240416. Its totient is φ = 49623464800.

The previous prime is 99471758341. The next prime is 99471758459. The reversal of 99471758398 is 89385717499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685640 + ... + 1743652.

It is an arithmetic number, because the mean of its divisors is an integer number (9346577526).

Almost surely, 2^99471758398 is an apocalyptic number.

99471758398 is a deficient number, since it is larger than the sum of its proper divisors (50073482018).

99471758398 is a wasteful number, since it uses less digits than its factorization.

99471758398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59939.

The product of its digits is 137168640, while the sum is 70.

The spelling of 99471758398 in words is "ninety-nine billion, four hundred seventy-one million, seven hundred fifty-eight thousand, three hundred ninety-eight".