77447317011 has 8 divisors (see below), whose sum is σ = 103300285584. Its totient is φ = 51612946560.

The previous prime is 77447317009. The next prime is 77447317043. The reversal of 77447317011 is 11071374477.

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

It is not a de Polignac number, because 77447317011 - 2¹ = 77447317009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77447317711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639810 + ... + 4656471.

It is an arithmetic number, because the mean of its divisors is an integer number (12912535698).

Almost surely, 2^77447317011 is an apocalyptic number.

77447317011 is a deficient number, since it is larger than the sum of its proper divisors (25852968573).

77447317011 is a wasteful number, since it uses less digits than its factorization.

77447317011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299061.

The product of its (nonzero) digits is 115248, while the sum is 42.

The spelling of 77447317011 in words is "seventy-seven billion, four hundred forty-seven million, three hundred seventeen thousand, eleven".