5391061777 has 6 divisors (see below), whose sum is σ = 5726837558. Its totient is φ = 5073940224.

The previous prime is 5391061771. The next prime is 5391061813. The reversal of 5391061777 is 7771601935.

5391061777 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3790741761 + 1600320016 = 61569^2 + 40004^2 .

It is not a de Polignac number, because 5391061777 - 2⁷ = 5391061649 is a prime.

It is a super-3 number, since 3×5391061777³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5391061771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9326808 + ... + 9327385.

Almost surely, 2^5391061777 is an apocalyptic number.

It is an amenable number.

5391061777 is a deficient number, since it is larger than the sum of its proper divisors (335775781).

5391061777 is a wasteful number, since it uses less digits than its factorization.

5391061777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18654227 (or 18654210 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 5391061777 is about 73423.8501918825. The cubic root of 5391061777 is about 1753.4421260409.

The spelling of 5391061777 in words is "five billion, three hundred ninety-one million, sixty-one thousand, seven hundred seventy-seven".