676779555 has 32 divisors (see below), whose sum is σ = 1109781504. Its totient is φ = 352025856.

The previous prime is 676779541. The next prime is 676779581. The reversal of 676779555 is 555977676.

676779555 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 676779555 - 2¹⁸ = 676517411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 676779495 and 676779504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219132 + ... + 222198.

It is an arithmetic number, because the mean of its divisors is an integer number (34680672).

Almost surely, 2^676779555 is an apocalyptic number.

676779555 is a deficient number, since it is larger than the sum of its proper divisors (433001949).

676779555 is a wasteful number, since it uses less digits than its factorization.

676779555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435.

The product of its digits is 13891500, while the sum is 57.

The square root of 676779555 is about 26014.9871228106. The cubic root of 676779555 is about 877.9755265480.

The spelling of 676779555 in words is "six hundred seventy-six million, seven hundred seventy-nine thousand, five hundred fifty-five".