78662 has 8 divisors (see below), whose sum is σ = 121296. Its totient is φ = 38232.

The previous prime is 78653. The next prime is 78691. The reversal of 78662 is 26687.

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

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

78662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (15162).

2⁷⁸⁶⁶² is an apocalyptic number.

78662 is a deficient number, since it is larger than the sum of its proper divisors (42634).

78662 is a wasteful number, since it uses less digits than its factorization.

78662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 4032, while the sum is 29.

The square root of 78662 is about 280.4674669191. The cubic root of 78662 is about 42.8471225251.

It can be divided in two parts, 786 and 62, that added together give a palindrome (848).

The spelling of 78662 in words is "seventy-eight thousand, six hundred sixty-two".