5702779661 has 4 divisors (see below), whose sum is σ = 5741053500. Its totient is φ = 5664505824.

The previous prime is 5702779657. The next prime is 5702779739. The reversal of 5702779661 is 1669772075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2069704036 + 3633075625 = 45494^2 + 60275^2 .

It is a cyclic number.

It is not a de Polignac number, because 5702779661 - 2² = 5702779657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5702779361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19136696 + ... + 19136993.

It is an arithmetic number, because the mean of its divisors is an integer number (1435263375).

Almost surely, 2^5702779661 is an apocalyptic number.

It is an amenable number.

5702779661 is a deficient number, since it is larger than the sum of its proper divisors (38273839).

5702779661 is a wasteful number, since it uses less digits than its factorization.

5702779661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38273838.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 5702779661 is about 75516.7508636329. The cubic root of 5702779661 is about 1786.6063120337.

The spelling of 5702779661 in words is "five billion, seven hundred two million, seven hundred seventy-nine thousand, six hundred sixty-one".