87047907 has 8 divisors (see below), whose sum is σ = 119808000. Its totient is φ = 56159880.

The previous prime is 87047903. The next prime is 87047921. The reversal of 87047907 is 70974078.

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

It is not a de Polignac number, because 87047907 - 2² = 87047903 is a prime.

It is a super-2 number, since 2×87047907² = 15154676226161298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87047903) 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, 467907 + ... + 468092.

It is an arithmetic number, because the mean of its divisors is an integer number (14976000).

Almost surely, 2^87047907 is an apocalyptic number.

87047907 is a deficient number, since it is larger than the sum of its proper divisors (32760093).

87047907 is a wasteful number, since it uses less digits than its factorization.

87047907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936033.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 87047907 is about 9329.9467844142. The cubic root of 87047907 is about 443.1860798883.

The spelling of 87047907 in words is "eighty-seven million, forty-seven thousand, nine hundred seven".