130777947 has 6 divisors (see below), whose sum is σ = 188901492. Its totient is φ = 87185292.

The previous prime is 130777939. The next prime is 130777981. The reversal of 130777947 is 749777031.

It is not a de Polignac number, because 130777947 - 2³ = 130777939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130757947) 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, 7265433 + ... + 7265450.

It is an arithmetic number, because the mean of its divisors is an integer number (31483582).

Almost surely, 2^130777947 is an apocalyptic number.

130777947 is a deficient number, since it is larger than the sum of its proper divisors (58123545).

130777947 is a wasteful number, since it uses less digits than its factorization.

130777947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530889 (or 14530886 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 130777947 is about 11435.8185977218. The cubic root of 130777947 is about 507.5881856349.

The spelling of 130777947 in words is "one hundred thirty million, seven hundred seventy-seven thousand, nine hundred forty-seven".