879746654 has 4 divisors (see below), whose sum is σ = 1319619984. Its totient is φ = 439873326.

The previous prime is 879746633. The next prime is 879746657. The reversal of 879746654 is 456647978.

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

It is a self number, because there is not a number n which added to its sum of digits gives 879746654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879746657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219936662 + ... + 219936665.

It is an arithmetic number, because the mean of its divisors is an integer number (329904996).

Almost surely, 2^879746654 is an apocalyptic number.

879746654 is a deficient number, since it is larger than the sum of its proper divisors (439873330).

879746654 is a wasteful number, since it uses less digits than its factorization.

879746654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439873329.

The product of its digits is 10160640, while the sum is 56.

The square root of 879746654 is about 29660.5234950430. The cubic root of 879746654 is about 958.1920014456.

The spelling of 879746654 in words is "eight hundred seventy-nine million, seven hundred forty-six thousand, six hundred fifty-four".