103440077 has 8 divisors (see below), whose sum is σ = 111488664. Its totient is φ = 95404608.

The previous prime is 103440067. The next prime is 103440101. The reversal of 103440077 is 770044301.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 100681156 = 1661^2 + 10034^2 .

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

It is not a de Polignac number, because 103440077 - 2¹⁰ = 103439053 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 (103440017) 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, 18503 + ... + 23435.

It is an arithmetic number, because the mean of its divisors is an integer number (13936083).

Almost surely, 2^103440077 is an apocalyptic number.

It is an amenable number.

103440077 is a deficient number, since it is larger than the sum of its proper divisors (8048587).

103440077 is a wasteful number, since it uses less digits than its factorization.

103440077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559.

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

The square root of 103440077 is about 10170.5494935131. The cubic root of 103440077 is about 469.4214656161.

Adding to 103440077 its reverse (770044301), we get a palindrome (873484378).

The spelling of 103440077 in words is "one hundred three million, four hundred forty thousand, seventy-seven".