87472787 has 8 divisors (see below), whose sum is σ = 91581840. Its totient is φ = 83436640.

The previous prime is 87472741. The next prime is 87472799. The reversal of 87472787 is 78727478.

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 87472787 - 2¹² = 87468691 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87472717) 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, 15764 + ... + 20577.

It is an arithmetic number, because the mean of its divisors is an integer number (11447730).

Almost surely, 2^87472787 is an apocalyptic number.

87472787 is a deficient number, since it is larger than the sum of its proper divisors (4109053).

87472787 is a wasteful number, since it uses less digits than its factorization.

87472787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36453.

The product of its digits is 1229312, while the sum is 50.

The square root of 87472787 is about 9352.6887577851. The cubic root of 87472787 is about 443.9059722295.

The spelling of 87472787 in words is "eighty-seven million, four hundred seventy-two thousand, seven hundred eighty-seven".