87499700 has 36 divisors (see below), whose sum is σ = 190282092. Its totient is φ = 34924800.

The previous prime is 87499673. The next prime is 87499721. The reversal of 87499700 is 799478.

It can be written as a sum of positive squares in 6 ways, for example, as 2085136 + 85414564 = 1444^2 + 9242^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85190 + ... + 86210.

Almost surely, 2^87499700 is an apocalyptic number.

It is an amenable number.

87499700 is an abundant number, since it is smaller than the sum of its proper divisors (102782392).

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

87499700 is a wasteful number, since it uses less digits than its factorization.

87499700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 87499700 is about 9354.1274312466. The cubic root of 87499700 is about 443.9514934970.

The spelling of 87499700 in words is "eighty-seven million, four hundred ninety-nine thousand, seven hundred".