878924969542 has 4 divisors (see below), whose sum is σ = 1318387454316. Its totient is φ = 439462484770.

The previous prime is 878924969513. The next prime is 878924969557. The reversal of 878924969542 is 245969429878.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219731242384 + ... + 219731242387.

It is an arithmetic number, because the mean of its divisors is an integer number (329596863579).

Almost surely, 2^878924969542 is an apocalyptic number.

878924969542 is a deficient number, since it is larger than the sum of its proper divisors (439462484774).

878924969542 is a wasteful number, since it uses less digits than its factorization.

878924969542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439462484773.

The product of its digits is 627056640, while the sum is 73.

The spelling of 878924969542 in words is "eight hundred seventy-eight billion, nine hundred twenty-four million, nine hundred sixty-nine thousand, five hundred forty-two".