677213499 has 8 divisors (see below), whose sum is σ = 904156672. Its totient is φ = 450873000.

The previous prime is 677213477. The next prime is 677213501. The reversal of 677213499 is 994312776.

It is a happy number.

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

It is not a de Polignac number, because 677213499 - 2²¹ = 675116347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677213419) 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 7 ways as a sum of consecutive naturals, for example, 148039 + ... + 152544.

It is an arithmetic number, because the mean of its divisors is an integer number (113019584).

Almost surely, 2^677213499 is an apocalyptic number.

677213499 is a deficient number, since it is larger than the sum of its proper divisors (226943173).

677213499 is a wasteful number, since it uses less digits than its factorization.

677213499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301337.

The product of its digits is 571536, while the sum is 48.

The square root of 677213499 is about 26023.3260556755. The cubic root of 677213499 is about 878.1631360430.

The spelling of 677213499 in words is "six hundred seventy-seven million, two hundred thirteen thousand, four hundred ninety-nine".