87434253380 has 12 divisors (see below), whose sum is σ = 183611932140. Its totient is φ = 34973701344.

The previous prime is 87434253367. The next prime is 87434253421. The reversal of 87434253380 is 8335243478.

It can be written as a sum of positive squares in 2 ways, for example, as 62493000196 + 24941253184 = 249986^2 + 157928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185856315 + ... + 2185856354.

It is an arithmetic number, because the mean of its divisors is an integer number (15300994345).

Almost surely, 2^87434253380 is an apocalyptic number.

It is an amenable number.

87434253380 is an abundant number, since it is smaller than the sum of its proper divisors (96177678760).

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

87434253380 is a wasteful number, since it uses less digits than its factorization.

87434253380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371712678 (or 4371712676 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 87434253380 in words is "eighty-seven billion, four hundred thirty-four million, two hundred fifty-three thousand, three hundred eighty".