87430666734 has 16 divisors (see below), whose sum is σ = 194290370640. Its totient is φ = 29143555560.

The previous prime is 87430666723. The next prime is 87430666787. The reversal of 87430666734 is 43766603478.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1619086421 = 87430666734 / (8 + 7 + 4 + 3 + 0 + 6 + 6 + 6 + 7 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809543157 + ... + 809543264.

It is an arithmetic number, because the mean of its divisors is an integer number (12143148165).

Almost surely, 2^87430666734 is an apocalyptic number.

87430666734 is an abundant number, since it is smaller than the sum of its proper divisors (106859703906).

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

87430666734 is a wasteful number, since it uses less digits than its factorization.

87430666734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619086432 (or 1619086426 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 87430666734 in words is "eighty-seven billion, four hundred thirty million, six hundred sixty-six thousand, seven hundred thirty-four".