130806627778 has 16 divisors (see below), whose sum is σ = 211345353216. Its totient is φ = 60541636320.

The previous prime is 130806627773. The next prime is 130806627779. The reversal of 130806627778 is 877726608031.

It is a super-2 number, since 2×130806627778² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130806627773) 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, 45863451 + ... + 45866302.

It is an arithmetic number, because the mean of its divisors is an integer number (13209084576).

Almost surely, 2^130806627778 is an apocalyptic number.

130806627778 is a deficient number, since it is larger than the sum of its proper divisors (80538725438).

130806627778 is a wasteful number, since it uses less digits than its factorization.

130806627778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91729809.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 130806627778 in words is "one hundred thirty billion, eight hundred six million, six hundred twenty-seven thousand, seven hundred seventy-eight".