77094472705 has 8 divisors (see below), whose sum is σ = 92516686632. Its totient is φ = 61673365248.

The previous prime is 77094472699. The next prime is 77094472739. The reversal of 77094472705 is 50727449077.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38555678736 + 38538793969 = 196356^2 + 196313^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 77094472705 - 2⁷ = 77094472577 is a prime.

It is a Duffinian number.

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, 114712 + ... + 409081.

It is an arithmetic number, because the mean of its divisors is an integer number (11564585829).

Almost surely, 2^77094472705 is an apocalyptic number.

It is an amenable number.

77094472705 is a deficient number, since it is larger than the sum of its proper divisors (15422213927).

77094472705 is a wasteful number, since it uses less digits than its factorization.

77094472705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553235.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 77094472705 in words is "seventy-seven billion, ninety-four million, four hundred seventy-two thousand, seven hundred five".