87706260 has 48 divisors (see below), whose sum is σ = 272865600. Its totient is φ = 23388192.

The previous prime is 87706259. The next prime is 87706271. The reversal of 87706260 is 6260778.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80670 + ... + 81749.

It is an arithmetic number, because the mean of its divisors is an integer number (5684700).

Almost surely, 2^87706260 is an apocalyptic number.

It is an amenable number.

87706260 is an abundant number, since it is smaller than the sum of its proper divisors (185159340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87706260 is a wasteful number, since it uses less digits than its factorization.

87706260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162437 (or 162429 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 87706260 is about 9365.1620381070. The cubic root of 87706260 is about 444.3005634724.

The spelling of 87706260 in words is "eighty-seven million, seven hundred six thousand, two hundred sixty".