955778877559 has 4 divisors (see below), whose sum is σ = 1042667866440. Its totient is φ = 868889888680.

The previous prime is 955778877467. The next prime is 955778877577.

955778877559 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 955778877559 - 2²⁷ = 955644659831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955778877959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43444494424 + ... + 43444494445.

It is an arithmetic number, because the mean of its divisors is an integer number (260666966610).

Almost surely, 2^955778877559 is an apocalyptic number.

955778877559 is a deficient number, since it is larger than the sum of its proper divisors (86888988881).

955778877559 is a wasteful number, since it uses less digits than its factorization.

955778877559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86888988880.

The product of its digits is 7779240000, while the sum is 82.

The spelling of 955778877559 in words is "nine hundred fifty-five billion, seven hundred seventy-eight million, eight hundred seventy-seven thousand, five hundred fifty-nine".