87869048 has 8 divisors (see below), whose sum is σ = 164754480. Its totient is φ = 43934520.

The previous prime is 87869021. The next prime is 87869057. The reversal of 87869048 is 84096878.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 87868987 and 87869005.

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, 5491808 + ... + 5491823.

It is an arithmetic number, because the mean of its divisors is an integer number (20594310).

Almost surely, 2^87869048 is an apocalyptic number.

It is an amenable number.

87869048 is a deficient number, since it is larger than the sum of its proper divisors (76885432).

87869048 is a wasteful number, since it uses less digits than its factorization.

87869048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983637 (or 10983633 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 87869048 is about 9373.8491560298. The cubic root of 87869048 is about 444.5752762793.

The spelling of 87869048 in words is "eighty-seven million, eight hundred sixty-nine thousand, forty-eight".