76402665103 has 4 divisors (see below), whose sum is σ = 76889306440. Its totient is φ = 75916023768.

The previous prime is 76402665091. The next prime is 76402665113. The reversal of 76402665103 is 30156620467.

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-76402665103 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 (76402665113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243320433 + ... + 243320746.

It is an arithmetic number, because the mean of its divisors is an integer number (19222326610).

Almost surely, 2^76402665103 is an apocalyptic number.

76402665103 is a deficient number, since it is larger than the sum of its proper divisors (486641337).

76402665103 is a wasteful number, since it uses less digits than its factorization.

76402665103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486641336.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 76402665103 in words is "seventy-six billion, four hundred two million, six hundred sixty-five thousand, one hundred three".