87438109974 has 32 divisors (see below), whose sum is σ = 178995294720. Its totient is φ = 28459919712.

The previous prime is 87438109949. The next prime is 87438109987. The reversal of 87438109974 is 47990183478.

It is a congruent number.

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, 870067 + ... + 965345.

It is an arithmetic number, because the mean of its divisors is an integer number (5593602960).

Almost surely, 2^87438109974 is an apocalyptic number.

87438109974 is an abundant number, since it is smaller than the sum of its proper divisors (91557184746).

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

87438109974 is a wasteful number, since it uses less digits than its factorization.

87438109974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98884.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 87438109974 in words is "eighty-seven billion, four hundred thirty-eight million, one hundred nine thousand, nine hundred seventy-four".