77036511678049 has 24 divisors (see below), whose sum is σ = 97078417015104. Its totient is φ = 59839086252000.

The previous prime is 77036511678029. The next prime is 77036511678059. The reversal of 77036511678049 is 94087611563077.

It is a de Polignac number, because none of the positive numbers 2^k-77036511678049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77036511678029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143189227 + ... + 143726224.

It is an arithmetic number, because the mean of its divisors is an integer number (4044934042296).

Almost surely, 2^{77036511678049} is an apocalyptic number.

It is an amenable number.

77036511678049 is a deficient number, since it is larger than the sum of its proper divisors (20041905337055).

77036511678049 is a wasteful number, since it uses less digits than its factorization.

77036511678049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286915797 (or 286915786 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 64.

The spelling of 77036511678049 in words is "seventy-seven trillion, thirty-six billion, five hundred eleven million, six hundred seventy-eight thousand, forty-nine".