86713421 has 8 divisors (see below), whose sum is σ = 88337760. Its totient is φ = 85094352.

The previous prime is 86713409. The next prime is 86713433. The reversal of 86713421 is 12431768.

It is an interprime number because it is at equal distance from previous prime (86713409) and next prime (86713433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86713421 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 (86713021) 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, 49466 + ... + 51188.

It is an arithmetic number, because the mean of its divisors is an integer number (11042220).

Almost surely, 2^86713421 is an apocalyptic number.

It is an amenable number.

86713421 is a deficient number, since it is larger than the sum of its proper divisors (1624339).

86713421 is a wasteful number, since it uses less digits than its factorization.

86713421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 8064, while the sum is 32.

The square root of 86713421 is about 9312.0041344493. The cubic root of 86713421 is about 442.6176962504.

The spelling of 86713421 in words is "eighty-six million, seven hundred thirteen thousand, four hundred twenty-one".