5921777794 has 4 divisors (see below), whose sum is σ = 8882666694. Its totient is φ = 2960888896.

The previous prime is 5921777789. The next prime is 5921777801. The reversal of 5921777794 is 4977771295.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 5122980625 + 798797169 = 71575^2 + 28263^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480444447 + ... + 1480444450.

Almost surely, 2^5921777794 is an apocalyptic number.

5921777794 is a deficient number, since it is larger than the sum of its proper divisors (2960888900).

5921777794 is a wasteful number, since it uses less digits than its factorization.

5921777794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960888899.

The product of its digits is 7779240, while the sum is 58.

The square root of 5921777794 is about 76953.0882681131. The cubic root of 5921777794 is about 1809.1894047466.

The spelling of 5921777794 in words is "five billion, nine hundred twenty-one million, seven hundred seventy-seven thousand, seven hundred ninety-four".