86970947 has 8 divisors (see below), whose sum is σ = 99456000. Its totient is φ = 74501064.

The previous prime is 86970937. The next prime is 86971007. The reversal of 86970947 is 74907968.

It is a happy number.

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 86970947 - 2⁶ = 86970883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86970895 and 86970904.

It is not an unprimeable number, because it can be changed into a prime (86970907) 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, 14204 + ... + 19382.

It is an arithmetic number, because the mean of its divisors is an integer number (12432000).

Almost surely, 2^86970947 is an apocalyptic number.

86970947 is a deficient number, since it is larger than the sum of its proper divisors (12485053).

86970947 is a wasteful number, since it uses less digits than its factorization.

86970947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 86970947 is about 9325.8215187725. The cubic root of 86970947 is about 443.0554328363.

The spelling of 86970947 in words is "eighty-six million, nine hundred seventy thousand, nine hundred forty-seven".