130277777 has 8 divisors (see below), whose sum is σ = 152913216. Its totient is φ = 108648432.

The previous prime is 130277759. The next prime is 130277789. The reversal of 130277777 is 777772031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130277777 - 2¹⁰ = 130276753 is a prime.

It is a super-3 number, since 3×130277777³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

130277777 is a modest number, since divided by 77777 gives 1302 as remainder.

It is not an unprimeable number, because it can be changed into a prime (130277747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251243 + ... + 251760.

It is an arithmetic number, because the mean of its divisors is an integer number (19114152).

Almost surely, 2^130277777 is an apocalyptic number.

It is an amenable number.

130277777 is a deficient number, since it is larger than the sum of its proper divisors (22635439).

130277777 is an equidigital number, since it uses as much as digits as its factorization.

130277777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503047.

The product of its (nonzero) digits is 100842, while the sum is 41.

The square root of 130277777 is about 11413.9290781045. The cubic root of 130277777 is about 506.9402559710.

The spelling of 130277777 in words is "one hundred thirty million, two hundred seventy-seven thousand, seven hundred seventy-seven".