87870356 has 24 divisors (see below), whose sum is σ = 176438976. Its totient is φ = 37509120.

The previous prime is 87870353. The next prime is 87870361. The reversal of 87870356 is 65307878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87870353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 13301.

It is an arithmetic number, because the mean of its divisors is an integer number (7351624).

Almost surely, 2^87870356 is an apocalyptic number.

It is an amenable number.

87870356 is an abundant number, since it is smaller than the sum of its proper divisors (88568620).

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

87870356 is a wasteful number, since it uses less digits than its factorization.

87870356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479 (or 12477 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 87870356 is about 9373.9189243347. The cubic root of 87870356 is about 444.5774822195.

The spelling of 87870356 in words is "eighty-seven million, eight hundred seventy thousand, three hundred fifty-six".