621096771 has 8 divisors (see below), whose sum is σ = 843754320. Its totient is φ = 406251872.

The previous prime is 621096769. The next prime is 621096779. The reversal of 621096771 is 177690126.

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

It is a cyclic number.

It is not a de Polignac number, because 621096771 - 2¹ = 621096769 is a prime.

It is a super-2 number, since 2×621096771² = 771522397893252882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (621096779) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1952976 + ... + 1953293.

It is an arithmetic number, because the mean of its divisors is an integer number (105469290).

Almost surely, 2^621096771 is an apocalyptic number.

621096771 is a deficient number, since it is larger than the sum of its proper divisors (222657549).

621096771 is a wasteful number, since it uses less digits than its factorization.

621096771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906325.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 621096771 is about 24921.8131563496. The cubic root of 621096771 is about 853.2044078939.

The spelling of 621096771 in words is "six hundred twenty-one million, ninety-six thousand, seven hundred seventy-one".