130777791 has 16 divisors (see below), whose sum is σ = 181116000. Its totient is φ = 83836928.

The previous prime is 130777789. The next prime is 130777813. The reversal of 130777791 is 197777031.

It is a cyclic number.

It is not a de Polignac number, because 130777791 - 2¹ = 130777789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130777711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19435 + ... + 25283.

It is an arithmetic number, because the mean of its divisors is an integer number (11319750).

Almost surely, 2^130777791 is an apocalyptic number.

130777791 is a deficient number, since it is larger than the sum of its proper divisors (50338209).

130777791 is a wasteful number, since it uses less digits than its factorization.

130777791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138.

The product of its (nonzero) digits is 64827, while the sum is 42.

The square root of 130777791 is about 11435.8117770450. The cubic root of 130777791 is about 507.5879838073.

The spelling of 130777791 in words is "one hundred thirty million, seven hundred seventy-seven thousand, seven hundred ninety-one".