799777355 has 16 divisors (see below), whose sum is σ = 1087957920. Its totient is φ = 559519488.

The previous prime is 799777351. The next prime is 799777357. The reversal of 799777355 is 553777997.

It is a cyclic number.

It is not a de Polignac number, because 799777355 - 2² = 799777351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 799777294 and 799777303.

It is not an unprimeable number, because it can be changed into a prime (799777351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322562 + ... + 325031.

It is an arithmetic number, because the mean of its divisors is an integer number (67997370).

Almost surely, 2^799777355 is an apocalyptic number.

799777355 is a deficient number, since it is larger than the sum of its proper divisors (288180565).

799777355 is a wasteful number, since it uses less digits than its factorization.

799777355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647630.

The product of its digits is 14586075, while the sum is 59.

The square root of 799777355 is about 28280.3351288488. The cubic root of 799777355 is about 928.2316398534.

The spelling of 799777355 in words is "seven hundred ninety-nine million, seven hundred seventy-seven thousand, three hundred fifty-five".