87663478 has 8 divisors (see below), whose sum is σ = 150280272. Its totient is φ = 37570056.

The previous prime is 87663467. The next prime is 87663481. The reversal of 87663478 is 87436678.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130825 + ... + 3130852.

It is an arithmetic number, because the mean of its divisors is an integer number (18785034).

Almost surely, 2^87663478 is an apocalyptic number.

87663478 is a deficient number, since it is larger than the sum of its proper divisors (62616794).

87663478 is a wasteful number, since it uses less digits than its factorization.

87663478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261686.

The product of its digits is 1354752, while the sum is 49.

The square root of 87663478 is about 9362.8776559346. The cubic root of 87663478 is about 444.2283103319.

The spelling of 87663478 in words is "eighty-seven million, six hundred sixty-three thousand, four hundred seventy-eight".