87808623834 has 32 divisors (see below), whose sum is σ = 177137596800. Its totient is φ = 29017213632.

The previous prime is 87808623769. The next prime is 87808623901. The reversal of 87808623834 is 43832680878.

It is a happy number.

It is a super-3 number, since 3×87808623834³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197992 + ... + 463484.

It is an arithmetic number, because the mean of its divisors is an integer number (5535549900).

Almost surely, 2^87808623834 is an apocalyptic number.

87808623834 is an abundant number, since it is smaller than the sum of its proper divisors (89328972966).

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

87808623834 is a wasteful number, since it uses less digits than its factorization.

87808623834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265974.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 87808623834 in words is "eighty-seven billion, eight hundred eight million, six hundred twenty-three thousand, eight hundred thirty-four".