87204791924 has 24 divisors (see below), whose sum is σ = 157597440000. Its totient is φ = 42178134240.

The previous prime is 87204791923. The next prime is 87204791941. The reversal of 87204791924 is 42919740278.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87204791923) by changing a digit.

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, 150902 + ... + 444050.

It is an arithmetic number, because the mean of its divisors is an integer number (6566560000).

Almost surely, 2^87204791924 is an apocalyptic number.

It is an amenable number.

87204791924 is a deficient number, since it is larger than the sum of its proper divisors (70392648076).

87204791924 is a wasteful number, since it uses less digits than its factorization.

87204791924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295583 (or 295581 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 87204791924 in words is "eighty-seven billion, two hundred four million, seven hundred ninety-one thousand, nine hundred twenty-four".