873199551 has 12 divisors (see below), whose sum is σ = 1354350552. Its totient is φ = 498971088.

The previous prime is 873199507. The next prime is 873199553. The reversal of 873199551 is 155991378.

It is not a de Polignac number, because 873199551 - 2⁶ = 873199487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873199551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873199553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2969920 + ... + 2970213.

It is an arithmetic number, because the mean of its divisors is an integer number (112862546).

Almost surely, 2^873199551 is an apocalyptic number.

873199551 is a deficient number, since it is larger than the sum of its proper divisors (481151001).

873199551 is a wasteful number, since it uses less digits than its factorization.

873199551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940150 (or 5940143 counting only the distinct ones).

The product of its digits is 340200, while the sum is 48.

The square root of 873199551 is about 29549.9501014807. The cubic root of 873199551 is about 955.8091151917.

The spelling of 873199551 in words is "eight hundred seventy-three million, one hundred ninety-nine thousand, five hundred fifty-one".