87429685 has 8 divisors (see below), whose sum is σ = 119903616. Its totient is φ = 59951760.

The previous prime is 87429637. The next prime is 87429761. The reversal of 87429685 is 58692478.

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

It is not a de Polignac number, because 87429685 - 2¹⁵ = 87396917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248961 + ... + 1249030.

It is an arithmetic number, because the mean of its divisors is an integer number (14987952).

Almost surely, 2^87429685 is an apocalyptic number.

It is an amenable number.

87429685 is a deficient number, since it is larger than the sum of its proper divisors (32473931).

87429685 is a wasteful number, since it uses less digits than its factorization.

87429685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498003.

The product of its digits is 967680, while the sum is 49.

The square root of 87429685 is about 9350.3842167047. The cubic root of 87429685 is about 443.8330490597.

The spelling of 87429685 in words is "eighty-seven million, four hundred twenty-nine thousand, six hundred eighty-five".