130878262677 has 4 divisors (see below), whose sum is σ = 174504350240. Its totient is φ = 87252175116.

The previous prime is 130878262667. The next prime is 130878262693. The reversal of 130878262677 is 776262878031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 130878262677 - 2¹⁴ = 130878246293 is a prime.

It is a super-2 number, since 2×130878262677² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130878262607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21813043777 + ... + 21813043782.

It is an arithmetic number, because the mean of its divisors is an integer number (43626087560).

Almost surely, 2^130878262677 is an apocalyptic number.

It is an amenable number.

130878262677 is a deficient number, since it is larger than the sum of its proper divisors (43626087563).

130878262677 is an equidigital number, since it uses as much as digits as its factorization.

130878262677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43626087562.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 130878262677 in words is "one hundred thirty billion, eight hundred seventy-eight million, two hundred sixty-two thousand, six hundred seventy-seven".