100077 has 4 divisors (see below), whose sum is σ = 133440. Its totient is φ = 66716.

The previous prime is 100069. The next prime is 100103. The reversal of 100077 is 770001.

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 100077 - 2³ = 100069 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100057) 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, 16677 + ... + 16682.

It is an arithmetic number, because the mean of its divisors is an integer number (33360).

2¹⁰⁰⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

100077 is a deficient number, since it is larger than the sum of its proper divisors (33363).

100077 is an equidigital number, since it uses as much as digits as its factorization.

100077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33362.

The product of its (nonzero) digits is 49, while the sum is 15.

The square root of 100077 is about 316.3494902793. The cubic root of 100077 is about 46.4277986910.

Adding to 100077 its reverse (770001), we get a palindrome (870078).

The spelling of 100077 in words is "one hundred thousand, seventy-seven", and thus it is an iban number.