86719437 has 32 divisors (see below), whose sum is σ = 147292160. Its totient is φ = 49397040.

The previous prime is 86719427. The next prime is 86719441. The reversal of 86719437 is 73491768.

It is not a de Polignac number, because 86719437 - 2²⁰ = 85670861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86719392 and 86719401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86719417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87012 + ... + 88002.

It is an arithmetic number, because the mean of its divisors is an integer number (4602880).

Almost surely, 2^86719437 is an apocalyptic number.

It is an amenable number.

86719437 is a deficient number, since it is larger than the sum of its proper divisors (60572723).

86719437 is a wasteful number, since it uses less digits than its factorization.

86719437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1464 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 86719437 is about 9312.3271527583. The cubic root of 86719437 is about 442.6279319842.

The spelling of 86719437 in words is "eighty-six million, seven hundred nineteen thousand, four hundred thirty-seven".