611879045 has 16 divisors (see below), whose sum is σ = 781414128. Its totient is φ = 458357760.

The previous prime is 611879003. The next prime is 611879057. The reversal of 611879045 is 540978116.

It can be written as a sum of positive squares in 8 ways, for example, as 242393761 + 369485284 = 15569^2 + 19222^2 .

It is not a de Polignac number, because 611879045 - 2¹⁰ = 611878021 is a prime.

It is a super-2 number, since 2×611879045² = 748791931420224050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611878993 and 611879011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526 + ... + 35015.

It is an arithmetic number, because the mean of its divisors is an integer number (48838383).

Almost surely, 2^611879045 is an apocalyptic number.

It is an amenable number.

611879045 is a deficient number, since it is larger than the sum of its proper divisors (169535083).

611879045 is a wasteful number, since it uses less digits than its factorization.

611879045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36760.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 611879045 is about 24736.1889748603. The cubic root of 611879045 is about 848.9625381696.

The spelling of 611879045 in words is "six hundred eleven million, eight hundred seventy-nine thousand, forty-five".