621088714 has 4 divisors (see below), whose sum is σ = 931633074. Its totient is φ = 310544356.

The previous prime is 621088709. The next prime is 621088733. The reversal of 621088714 is 417880126.

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

It can be written as a sum of positive squares in only one way, i.e., 527483089 + 93605625 = 22967^2 + 9675^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155272177 + ... + 155272180.

Almost surely, 2^621088714 is an apocalyptic number.

621088714 is a deficient number, since it is larger than the sum of its proper divisors (310544360).

621088714 is a wasteful number, since it uses less digits than its factorization.

621088714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310544359.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 621088714 is about 24921.6515102832. The cubic root of 621088714 is about 853.2007185613.

The spelling of 621088714 in words is "six hundred twenty-one million, eighty-eight thousand, seven hundred fourteen".