87130429 has 8 divisors (see below), whose sum is σ = 90413312. Its totient is φ = 83877120.

The previous prime is 87130399. The next prime is 87130441. The reversal of 87130429 is 92403178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87130429 - 2⁵ = 87130397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87130394 and 87130403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87130469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299 + ... + 13264.

It is an arithmetic number, because the mean of its divisors is an integer number (11301664).

Almost surely, 2^87130429 is an apocalyptic number.

It is an amenable number.

87130429 is a deficient number, since it is larger than the sum of its proper divisors (3282883).

87130429 is a wasteful number, since it uses less digits than its factorization.

87130429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14787.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 87130429 is about 9334.3681628699. The cubic root of 87130429 is about 443.3260834488.

The spelling of 87130429 in words is "eighty-seven million, one hundred thirty thousand, four hundred twenty-nine".