10717607778 has 32 divisors (see below), whose sum is σ = 22260735360. Its totient is φ = 3435909120.

The previous prime is 10717607767. The next prime is 10717607783. The reversal of 10717607778 is 87770671701.

It is a super-2 number, since 2×10717607778² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10717607778.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75118 + ... + 164553.

It is an arithmetic number, because the mean of its divisors is an integer number (695647980).

Almost surely, 2^10717607778 is an apocalyptic number.

10717607778 is an abundant number, since it is smaller than the sum of its proper divisors (11543127582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10717607778 is a wasteful number, since it uses less digits than its factorization.

10717607778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239962.

The product of its (nonzero) digits is 806736, while the sum is 51.

The spelling of 10717607778 in words is "ten billion, seven hundred seventeen million, six hundred seven thousand, seven hundred seventy-eight".