77757347831011 has 16 divisors (see below), whose sum is σ = 79279723008000. Its totient is φ = 76248550591200.

The previous prime is 77757347831003. The next prime is 77757347831021. The reversal of 77757347831011 is 11013874375777.

It is a cyclic number.

It is not a de Polignac number, because 77757347831011 - 2³ = 77757347831003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77757347831021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97431366 + ... + 98226196.

It is an arithmetic number, because the mean of its divisors is an integer number (4954982688000).

Almost surely, 2^{77757347831011} is an apocalyptic number.

77757347831011 is a deficient number, since it is larger than the sum of its proper divisors (1522375176989).

77757347831011 is a wasteful number, since it uses less digits than its factorization.

77757347831011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803370.

The product of its (nonzero) digits is 24202080, while the sum is 61.

The spelling of 77757347831011 in words is "seventy-seven trillion, seven hundred fifty-seven billion, three hundred forty-seven million, eight hundred thirty-one thousand, eleven".