77783460155 has 8 divisors (see below), whose sum is σ = 93342685392. Its totient is φ = 62225079328.

The previous prime is 77783460143. The next prime is 77783460163. The reversal of 77783460155 is 55106438777.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77783460155 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77783460097 and 77783460106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13229 + ... + 394641.

It is an arithmetic number, because the mean of its divisors is an integer number (11667835674).

Almost surely, 2^77783460155 is an apocalyptic number.

77783460155 is a deficient number, since it is larger than the sum of its proper divisors (15559225237).

77783460155 is a wasteful number, since it uses less digits than its factorization.

77783460155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422205.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 77783460155 in words is "seventy-seven billion, seven hundred eighty-three million, four hundred sixty thousand, one hundred fifty-five".