99785470016 has 14 divisors (see below), whose sum is σ = 198011792190. Its totient is φ = 49892734976.

The previous prime is 99785469989. The next prime is 99785470019. The reversal of 99785470016 is 61007458799.

It can be written as a sum of positive squares in only one way, i.e., 95668964416 + 4116505600 = 309304^2 + 64160^2 .

It is not an unprimeable number, because it can be changed into a prime (99785470019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779573921 + ... + 779574048.

Almost surely, 2^99785470016 is an apocalyptic number.

It is an amenable number.

99785470016 is a deficient number, since it is larger than the sum of its proper divisors (98226322174).

99785470016 is a wasteful number, since it uses less digits than its factorization.

99785470016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559147981 (or 1559147971 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 99785470016 in words is "ninety-nine billion, seven hundred eighty-five million, four hundred seventy thousand, sixteen".