611878471 has 8 divisors (see below), whose sum is σ = 619509600. Its totient is φ = 604264320.

The previous prime is 611878469. The next prime is 611878493. The reversal of 611878471 is 174878116.

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 611878471 - 2¹ = 611878469 is a prime.

It is a super-3 number, since 3×611878471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611878411) 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, 78051 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (77438700).

Almost surely, 2^611878471 is an apocalyptic number.

611878471 is a deficient number, since it is larger than the sum of its proper divisors (7631129).

611878471 is an equidigital number, since it uses as much as digits as its factorization.

611878471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489.

The product of its digits is 75264, while the sum is 43.

The square root of 611878471 is about 24736.1773724236. The cubic root of 611878471 is about 848.9622727007.

The spelling of 611878471 in words is "six hundred eleven million, eight hundred seventy-eight thousand, four hundred seventy-one".