87548690 has 8 divisors (see below), whose sum is σ = 157587660. Its totient is φ = 35019472.

The previous prime is 87548689. The next prime is 87548707. The reversal of 87548690 is 9684578.

It can be written as a sum of positive squares in 2 ways, for example, as 86062729 + 1485961 = 9277^2 + 1219^2 .

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

It is a super-2 number, since 2×87548690² = 15329546241432200, which contains 22 as substring.

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, 4377425 + ... + 4377444.

Almost surely, 2^87548690 is an apocalyptic number.

87548690 is a deficient number, since it is larger than the sum of its proper divisors (70038970).

87548690 is a wasteful number, since it uses less digits than its factorization.

87548690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754876.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 87548690 is about 9356.7456949519. The cubic root of 87548690 is about 444.0343323559.

The spelling of 87548690 in words is "eighty-seven million, five hundred forty-eight thousand, six hundred ninety".