87802197390 has 48 divisors (see below), whose sum is σ = 228558002400. Its totient is φ = 23385992256.

The previous prime is 87802197359. The next prime is 87802197433. The reversal of 87802197390 is 9379120878.

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 23 ways as a sum of consecutive naturals, for example, 505885 + ... + 656904.

It is an arithmetic number, because the mean of its divisors is an integer number (4761625050).

Almost surely, 2^87802197390 is an apocalyptic number.

87802197390 is an abundant number, since it is smaller than the sum of its proper divisors (140755805010).

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

87802197390 is a wasteful number, since it uses less digits than its factorization.

87802197390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163641 (or 1163638 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 87802197390 in words is "eighty-seven billion, eight hundred two million, one hundred ninety-seven thousand, three hundred ninety".