87204970834 has 4 divisors (see below), whose sum is σ = 130807456254. Its totient is φ = 43602485416.

The previous prime is 87204970829. The next prime is 87204970841. The reversal of 87204970834 is 43807940278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81711937609 + 5493033225 = 285853^2 + 74115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21801242707 + ... + 21801242710.

Almost surely, 2^87204970834 is an apocalyptic number.

87204970834 is a deficient number, since it is larger than the sum of its proper divisors (43602485420).

87204970834 is a wasteful number, since it uses less digits than its factorization.

87204970834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43602485419.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 87204970834 in words is "eighty-seven billion, two hundred four million, nine hundred seventy thousand, eight hundred thirty-four".