87478707 has 8 divisors (see below), whose sum is σ = 119483280. Its totient is φ = 56896640.

The previous prime is 87478681. The next prime is 87478739. The reversal of 87478707 is 70787478.

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 87478707 - 2¹⁶ = 87413171 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (87478207) 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, 355482 + ... + 355727.

It is an arithmetic number, because the mean of its divisors is an integer number (14935410).

Almost surely, 2^87478707 is an apocalyptic number.

87478707 is a deficient number, since it is larger than the sum of its proper divisors (32004573).

87478707 is a wasteful number, since it uses less digits than its factorization.

87478707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711253.

The product of its (nonzero) digits is 614656, while the sum is 48.

The square root of 87478707 is about 9353.0052389593. The cubic root of 87478707 is about 443.9159862547.

The spelling of 87478707 in words is "eighty-seven million, four hundred seventy-eight thousand, seven hundred seven".