86657043 has 16 divisors (see below), whose sum is σ = 132681600. Its totient is φ = 49754880.

The previous prime is 86657009. The next prime is 86657057. The reversal of 86657043 is 34075668.

It is not a de Polignac number, because 86657043 - 2¹⁸ = 86394899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86656992 and 86657010.

It is not an unprimeable number, because it can be changed into a prime (86657003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68478 + ... + 69731.

It is an arithmetic number, because the mean of its divisors is an integer number (8292600).

Almost surely, 2^86657043 is an apocalyptic number.

86657043 is a deficient number, since it is larger than the sum of its proper divisors (46024557).

86657043 is a wasteful number, since it uses less digits than its factorization.

86657043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138242.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 86657043 is about 9308.9764743499. The cubic root of 86657043 is about 442.5217506625.

The spelling of 86657043 in words is "eighty-six million, six hundred fifty-seven thousand, forty-three".