87446716540 has 12 divisors (see below), whose sum is σ = 183638104776. Its totient is φ = 34978686608.

The previous prime is 87446716481. The next prime is 87446716541. The reversal of 87446716540 is 4561764478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87446716541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186167894 + ... + 2186167933.

It is an arithmetic number, because the mean of its divisors is an integer number (15303175398).

Almost surely, 2^87446716540 is an apocalyptic number.

It is an amenable number.

87446716540 is an abundant number, since it is smaller than the sum of its proper divisors (96191388236).

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

87446716540 is a wasteful number, since it uses less digits than its factorization.

87446716540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372335836 (or 4372335834 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 87446716540 in words is "eighty-seven billion, four hundred forty-six million, seven hundred sixteen thousand, five hundred forty".