876471661 has 8 divisors (see below), whose sum is σ = 944395424. Its totient is φ = 808619760.

The previous prime is 876471643. The next prime is 876471667. The reversal of 876471661 is 166174678.

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

It is not a de Polignac number, because 876471661 - 2²⁹ = 339600749 is a prime.

It is a super-3 number, since 3×876471661³ (a number of 28 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 (876471667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8866 + ... + 42796.

It is an arithmetic number, because the mean of its divisors is an integer number (118049428).

Almost surely, 2^876471661 is an apocalyptic number.

It is an amenable number.

876471661 is a deficient number, since it is larger than the sum of its proper divisors (67923763).

876471661 is a wasteful number, since it uses less digits than its factorization.

876471661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35931.

The product of its digits is 338688, while the sum is 46.

The square root of 876471661 is about 29605.2640758362. The cubic root of 876471661 is about 957.0015169871.

The spelling of 876471661 in words is "eight hundred seventy-six million, four hundred seventy-one thousand, six hundred sixty-one".