87168070 has 32 divisors (see below), whose sum is σ = 171551520. Its totient is φ = 31626240.

The previous prime is 87168043. The next prime is 87168071. The reversal of 87168070 is 7086178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87168071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93366 + ... + 94294.

It is an arithmetic number, because the mean of its divisors is an integer number (5360985).

Almost surely, 2^87168070 is an apocalyptic number.

87168070 is a deficient number, since it is larger than the sum of its proper divisors (84383450).

87168070 is a wasteful number, since it uses less digits than its factorization.

87168070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 87168070 is about 9336.3842037483. The cubic root of 87168070 is about 443.3899143242.

The spelling of 87168070 in words is "eighty-seven million, one hundred sixty-eight thousand, seventy".