87799833 has 12 divisors (see below), whose sum is σ = 138351408. Its totient is φ = 53211960.

The previous prime is 87799823. The next prime is 87799867. The reversal of 87799833 is 33899778.

It is not a de Polignac number, because 87799833 - 2¹² = 87795737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87799833.

It is not an unprimeable number, because it can be changed into a prime (87799823) 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, 443335 + ... + 443532.

It is an arithmetic number, because the mean of its divisors is an integer number (11529284).

Almost surely, 2^87799833 is an apocalyptic number.

It is an amenable number.

87799833 is a deficient number, since it is larger than the sum of its proper divisors (50551575).

87799833 is a wasteful number, since it uses less digits than its factorization.

87799833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886884 (or 886881 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 87799833 is about 9370.1565088316. The cubic root of 87799833 is about 444.4585140384.

The spelling of 87799833 in words is "eighty-seven million, seven hundred ninety-nine thousand, eight hundred thirty-three".