100344077 has 4 divisors (see below), whose sum is σ = 100453020. Its totient is φ = 100235136.

The previous prime is 100344067. The next prime is 100344103. The reversal of 100344077 is 770443001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31967716 + 68376361 = 5654^2 + 8269^2 .

It is a cyclic number.

It is not a de Polignac number, because 100344077 - 2⁸ = 100343821 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 (100344007) 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, 53078 + ... + 54935.

It is an arithmetic number, because the mean of its divisors is an integer number (25113255).

Almost surely, 2^100344077 is an apocalyptic number.

It is an amenable number.

100344077 is a deficient number, since it is larger than the sum of its proper divisors (108943).

100344077 is an equidigital number, since it uses as much as digits as its factorization.

100344077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108942.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 100344077 is about 10017.1890767820. The cubic root of 100344077 is about 464.6906286095.

Adding to 100344077 its reverse (770443001), we get a palindrome (870787078).

The spelling of 100344077 in words is "one hundred million, three hundred forty-four thousand, seventy-seven".