869808954 has 32 divisors (see below), whose sum is σ = 1990097280. Its totient is φ = 248271552.

The previous prime is 869808949. The next prime is 869808971. The reversal of 869808954 is 459808968.

It is a junction number, because it is equal to n+sod(n) for n = 869808894 and 869808903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35212 + ... + 54584.

It is an arithmetic number, because the mean of its divisors is an integer number (62190540).

Almost surely, 2^869808954 is an apocalyptic number.

869808954 is an abundant number, since it is smaller than the sum of its proper divisors (1120288326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869808954 is a wasteful number, since it uses less digits than its factorization.

869808954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 869808954 is about 29492.5236966930. The cubic root of 869808954 is about 954.5703883473.

The spelling of 869808954 in words is "eight hundred sixty-nine million, eight hundred eight thousand, nine hundred fifty-four".