87429330 has 48 divisors (see below), whose sum is σ = 231617880. Its totient is φ = 22873344.

The previous prime is 87429319. The next prime is 87429341. The reversal of 87429330 is 3392478.

It is an interprime number because it is at equal distance from previous prime (87429319) and next prime (87429341).

It can be written as a sum of positive squares in 4 ways, for example, as 77105961 + 10323369 = 8781^2 + 3213^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4395 + ... + 13934.

Almost surely, 2^87429330 is an apocalyptic number.

87429330 is an abundant number, since it is smaller than the sum of its proper divisors (144188550).

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

87429330 is a wasteful number, since it uses less digits than its factorization.

87429330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18395 (or 18392 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 87429330 is about 9350.3652335083. The cubic root of 87429330 is about 443.8324483448.

The spelling of 87429330 in words is "eighty-seven million, four hundred twenty-nine thousand, three hundred thirty".