87470307 has 8 divisors (see below), whose sum is σ = 129585680. Its totient is φ = 58313520.

The previous prime is 87470303. The next prime is 87470323. The reversal of 87470307 is 70307478.

It is a happy number.

It is not a de Polignac number, because 87470307 - 2² = 87470303 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 (87470303) 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, 1619794 + ... + 1619847.

It is an arithmetic number, because the mean of its divisors is an integer number (16198210).

Almost surely, 2^87470307 is an apocalyptic number.

87470307 is a deficient number, since it is larger than the sum of its proper divisors (42115373).

87470307 is a wasteful number, since it uses less digits than its factorization.

87470307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239650 (or 3239644 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 87470307 is about 9352.5561746509. The cubic root of 87470307 is about 443.9017770306.

The spelling of 87470307 in words is "eighty-seven million, four hundred seventy thousand, three hundred seven".