87433100 has 18 divisors (see below), whose sum is σ = 189730044. Its totient is φ = 34973200.

The previous prime is 87433067. The next prime is 87433121. The reversal of 87433100 is 133478.

It is a super-2 number, since 2×87433100² = 15289093951220000, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 87433100.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 437066 + ... + 437265.

It is an arithmetic number, because the mean of its divisors is an integer number (10540558).

Almost surely, 2^87433100 is an apocalyptic number.

It is an amenable number.

87433100 is an abundant number, since it is smaller than the sum of its proper divisors (102296944).

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

87433100 is a wasteful number, since it uses less digits than its factorization.

87433100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874345 (or 874338 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 87433100 is about 9350.5668277383. The cubic root of 87433100 is about 443.8388276849.

Adding to 87433100 its reverse (133478), we get a palindrome (87566578).

The spelling of 87433100 in words is "eighty-seven million, four hundred thirty-three thousand, one hundred".