87149630 has 8 divisors (see below), whose sum is σ = 156869352. Its totient is φ = 34859848.

The previous prime is 87149617. The next prime is 87149651. The reversal of 87149630 is 3694178.

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, 4357472 + ... + 4357491.

It is an arithmetic number, because the mean of its divisors is an integer number (19608669).

Almost surely, 2^87149630 is an apocalyptic number.

87149630 is a deficient number, since it is larger than the sum of its proper divisors (69719722).

87149630 is a wasteful number, since it uses less digits than its factorization.

87149630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714970.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87149630 is about 9335.3966171770. The cubic root of 87149630 is about 443.3586464275.

The spelling of 87149630 in words is "eighty-seven million, one hundred forty-nine thousand, six hundred thirty".