86589437 has 4 divisors (see below), whose sum is σ = 94461216. Its totient is φ = 78717660.

The previous prime is 86589431. The next prime is 86589467. The reversal of 86589437 is 73498568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86589437 - 2¹⁰ = 86588413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86589431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935873 + ... + 3935894.

It is an arithmetic number, because the mean of its divisors is an integer number (23615304).

Almost surely, 2^86589437 is an apocalyptic number.

It is an amenable number.

86589437 is a deficient number, since it is larger than the sum of its proper divisors (7871779).

86589437 is a wasteful number, since it uses less digits than its factorization.

86589437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871778.

The product of its digits is 1451520, while the sum is 50.

The square root of 86589437 is about 9305.3445395643. The cubic root of 86589437 is about 442.4066420773.

The spelling of 86589437 in words is "eighty-six million, five hundred eighty-nine thousand, four hundred thirty-seven".