77703000013 has 4 divisors (see below), whose sum is σ = 77703842880. Its totient is φ = 77702157148.

The previous prime is 77702999999. The next prime is 77703000031. The reversal of 77703000013 is 31000030777.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 77703000013 - 2⁵ = 77702999981 is a prime.

It is a super-2 number, since 2×77703000013² (a number of 23 digits) contains 22 as substring.

It is a deceptive number, since it divides R_77703000012.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77703040013) 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, 263395 + ... + 474112.

It is an arithmetic number, because the mean of its divisors is an integer number (19425960720).

Almost surely, 2^77703000013 is an apocalyptic number.

It is an amenable number.

77703000013 is a deficient number, since it is larger than the sum of its proper divisors (842867).

77703000013 is a wasteful number, since it uses less digits than its factorization.

77703000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842866.

The product of its (nonzero) digits is 3087, while the sum is 28.

The spelling of 77703000013 in words is "seventy-seven billion, seven hundred three million, thirteen", and thus it is an aban number.