87620410 has 8 divisors (see below), whose sum is σ = 157716756. Its totient is φ = 35048160.

The previous prime is 87620399. The next prime is 87620417. The reversal of 87620410 is 1402678.

It can be written as a sum of positive squares in 2 ways, for example, as 79227801 + 8392609 = 8901^2 + 2897^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87620417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4381011 + ... + 4381030.

Almost surely, 2^87620410 is an apocalyptic number.

87620410 is a deficient number, since it is larger than the sum of its proper divisors (70096346).

87620410 is a wasteful number, since it uses less digits than its factorization.

87620410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762048.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 87620410 is about 9360.5774394532. The cubic root of 87620410 is about 444.1555504275.

The spelling of 87620410 in words is "eighty-seven million, six hundred twenty thousand, four hundred ten".