77730012063703 has 4 divisors (see below), whose sum is σ = 78120615139600. Its totient is φ = 77339408987808.

The previous prime is 77730012063647. The next prime is 77730012063727. The reversal of 77730012063703 is 30736021003777.

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

It is a cyclic number.

It is not a de Polignac number, because 77730012063703 - 2¹³ = 77730012055511 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 (77730012060703) 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, 195301537650 + ... + 195301538047.

It is an arithmetic number, because the mean of its divisors is an integer number (19530153784900).

Almost surely, 2^{77730012063703} is an apocalyptic number.

77730012063703 is a deficient number, since it is larger than the sum of its proper divisors (390603075897).

77730012063703 is a wasteful number, since it uses less digits than its factorization.

77730012063703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390603075896.

The product of its (nonzero) digits is 777924, while the sum is 46.

The spelling of 77730012063703 in words is "seventy-seven trillion, seven hundred thirty billion, twelve million, sixty-three thousand, seven hundred three".