99888070 has 16 divisors (see below), whose sum is σ = 181113408. Its totient is φ = 39663040.

The previous prime is 99888059. The next prime is 99888071. The reversal of 99888070 is 7088899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99888071) 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, 35086 + ... + 37825.

It is an arithmetic number, because the mean of its divisors is an integer number (11319588).

Almost surely, 2^99888070 is an apocalyptic number.

99888070 is a deficient number, since it is larger than the sum of its proper divisors (81225338).

99888070 is a wasteful number, since it uses less digits than its factorization.

99888070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73055.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 99888070 is about 9994.4019330823. The cubic root of 99888070 is about 463.9856410291.

The spelling of 99888070 in words is "ninety-nine million, eight hundred eighty-eight thousand, seventy".