86956047 has 6 divisors (see below), whose sum is σ = 125603192. Its totient is φ = 57970692.

The previous prime is 86956013. The next prime is 86956057. The reversal of 86956047 is 74065968.

86956047 is a `hidden beast` number, since 86 + 9 + 560 + 4 + 7 = 666.

It is not a de Polignac number, because 86956047 - 2⁶ = 86955983 is a prime.

It is a super-2 number, since 2×86956047² = 15122708219732418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86955993 and 86956011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86956057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4830883 + ... + 4830900.

Almost surely, 2^86956047 is an apocalyptic number.

86956047 is a deficient number, since it is larger than the sum of its proper divisors (38647145).

86956047 is a wasteful number, since it uses less digits than its factorization.

86956047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661789 (or 9661786 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 86956047 is about 9325.0226273184. The cubic root of 86956047 is about 443.0301297391.

The spelling of 86956047 in words is "eighty-six million, nine hundred fifty-six thousand, forty-seven".