552778508779 has 8 divisors (see below), whose sum is σ = 634505588960. Its totient is φ = 471741109056.

The previous prime is 552778508767. The next prime is 552778508797. The reversal of 552778508779 is 977805877255.

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

It is not a de Polignac number, because 552778508779 - 2²⁹ = 552241637867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552778505779) 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, 172418394 + ... + 172421599.

It is an arithmetic number, because the mean of its divisors is an integer number (79313198620).

Almost surely, 2^552778508779 is an apocalyptic number.

552778508779 is a deficient number, since it is larger than the sum of its proper divisors (81727080181).

552778508779 is a wasteful number, since it uses less digits than its factorization.

552778508779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344840229.

The product of its (nonzero) digits is 345744000, while the sum is 70.

The spelling of 552778508779 in words is "five hundred fifty-two billion, seven hundred seventy-eight million, five hundred eight thousand, seven hundred seventy-nine".