130777764 has 48 divisors (see below), whose sum is σ = 331679040. Its totient is φ = 39864960.

The previous prime is 130777763. The next prime is 130777783. The reversal of 130777764 is 467777031.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (130777763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13159 + ... + 20849.

It is an arithmetic number, because the mean of its divisors is an integer number (6909980).

Almost surely, 2^130777764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130777764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165839520).

130777764 is an abundant number, since it is smaller than the sum of its proper divisors (200901276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130777764 is a wasteful number, since it uses less digits than its factorization.

130777764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7820 (or 7818 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 42.

The square root of 130777764 is about 11435.8105965428. The cubic root of 130777764 is about 507.5879488756.

The spelling of 130777764 in words is "one hundred thirty million, seven hundred seventy-seven thousand, seven hundred sixty-four".