87620318 has 8 divisors (see below), whose sum is σ = 132376440. Its totient is φ = 43494840.

The previous prime is 87620303. The next prime is 87620341. The reversal of 87620318 is 81302678.

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

It is a super-2 number, since 2×87620318² = 15354640252842248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157313 + ... + 157868.

It is an arithmetic number, because the mean of its divisors is an integer number (16547055).

Almost surely, 2^87620318 is an apocalyptic number.

87620318 is a deficient number, since it is larger than the sum of its proper divisors (44756122).

87620318 is a wasteful number, since it uses less digits than its factorization.

87620318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315322.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 87620318 is about 9360.5725252252. The cubic root of 87620318 is about 444.1553949755.

The spelling of 87620318 in words is "eighty-seven million, six hundred twenty thousand, three hundred eighteen".