87451708 has 24 divisors (see below), whose sum is σ = 155387232. Its totient is φ = 43060224.

The previous prime is 87451633. The next prime is 87451709. The reversal of 87451708 is 80715478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87451709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101616 + ... + 102472.

It is an arithmetic number, because the mean of its divisors is an integer number (6474468).

Almost surely, 2^87451708 is an apocalyptic number.

It is an amenable number.

87451708 is a deficient number, since it is larger than the sum of its proper divisors (67935524).

87451708 is a wasteful number, since it uses less digits than its factorization.

87451708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 87451708 is about 9351.5617946950. The cubic root of 87451708 is about 443.8703122030.

The spelling of 87451708 in words is "eighty-seven million, four hundred fifty-one thousand, seven hundred eight".