87143094 has 16 divisors (see below), whose sum is σ = 193651440. Its totient is φ = 29047680.

The previous prime is 87143087. The next prime is 87143137. The reversal of 87143094 is 49034178.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806827 + ... + 806934.

It is an arithmetic number, because the mean of its divisors is an integer number (12103215).

Almost surely, 2^87143094 is an apocalyptic number.

87143094 is an abundant number, since it is smaller than the sum of its proper divisors (106508346).

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

87143094 is a wasteful number, since it uses less digits than its factorization.

87143094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613772 (or 1613766 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87143094 is about 9335.0465451437. The cubic root of 87143094 is about 443.3475625611.

The spelling of 87143094 in words is "eighty-seven million, one hundred forty-three thousand, ninety-four".