87040630 has 16 divisors (see below), whose sum is σ = 156802464. Its totient is φ = 34787520.

The previous prime is 87040609. The next prime is 87040633. The reversal of 87040630 is 3604078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87040633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12610 + ... + 18250.

It is an arithmetic number, because the mean of its divisors is an integer number (9800154).

Almost surely, 2^87040630 is an apocalyptic number.

87040630 is a deficient number, since it is larger than the sum of its proper divisors (69761834).

87040630 is a wasteful number, since it uses less digits than its factorization.

87040630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 87040630 is about 9329.5567954753. The cubic root of 87040630 is about 443.1737297733.

The spelling of 87040630 in words is "eighty-seven million, forty thousand, six hundred thirty".