77700312361 has 8 divisors (see below), whose sum is σ = 88802823680. Its totient is φ = 66598417728.

The previous prime is 77700312311. The next prime is 77700312383. The reversal of 77700312361 is 16321300777.

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

It is a cyclic number.

It is not a de Polignac number, because 77700312361 - 2¹⁵ = 77700279593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77700312361.

It is not an unprimeable number, because it can be changed into a prime (77700312311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157960 + ... + 424678.

It is an arithmetic number, because the mean of its divisors is an integer number (11100352960).

Almost surely, 2^77700312361 is an apocalyptic number.

It is an amenable number.

77700312361 is a deficient number, since it is larger than the sum of its proper divisors (11102511319).

77700312361 is a wasteful number, since it uses less digits than its factorization.

77700312361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308343.

The product of its (nonzero) digits is 37044, while the sum is 37.

The spelling of 77700312361 in words is "seventy-seven billion, seven hundred million, three hundred twelve thousand, three hundred sixty-one".