99969854 has 16 divisors (see below), whose sum is σ = 155377536. Its totient is φ = 48189600.

The previous prime is 99969853. The next prime is 99969941. The reversal of 99969854 is 45896999.

It is a junction number, because it is equal to n+sod(n) for n = 99969793 and 99969802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99969851) 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, 14264 + ... + 20084.

It is an arithmetic number, because the mean of its divisors is an integer number (9711096).

Almost surely, 2^99969854 is an apocalyptic number.

99969854 is a deficient number, since it is larger than the sum of its proper divisors (55407682).

99969854 is a wasteful number, since it uses less digits than its factorization.

99969854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131.

The product of its digits is 6298560, while the sum is 59.

The square root of 99969854 is about 9998.4925863852. The cubic root of 99969854 is about 464.1122368946.

The spelling of 99969854 in words is "ninety-nine million, nine hundred sixty-nine thousand, eight hundred fifty-four".