100679 has 4 divisors (see below), whose sum is σ = 101976. Its totient is φ = 99384.

The previous prime is 100673. The next prime is 100693. The reversal of 100679 is 976001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100679 is a prime.

It is a super-2 number, since 2×100679² = 20272522082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100673) 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, 524 + ... + 689.

It is an arithmetic number, because the mean of its divisors is an integer number (25494).

2¹⁰⁰⁶⁷⁹ is an apocalyptic number.

100679 is a deficient number, since it is larger than the sum of its proper divisors (1297).

100679 is an equidigital number, since it uses as much as digits as its factorization.

100679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 100679 is about 317.2995430189. The cubic root of 100679 is about 46.5207060827.

The spelling of 100679 in words is "one hundred thousand, six hundred seventy-nine".