87711949572 has 24 divisors (see below), whose sum is σ = 220404386496. Its totient is φ = 26988292128.

The previous prime is 87711949561. The next prime is 87711949573. The reversal of 87711949572 is 27594911778.

It is not an unprimeable number, because it can be changed into a prime (87711949573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281127888 + ... + 281128199.

It is an arithmetic number, because the mean of its divisors is an integer number (9183516104).

Almost surely, 2^87711949572 is an apocalyptic number.

It is an amenable number.

87711949572 is an abundant number, since it is smaller than the sum of its proper divisors (132692436924).

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

87711949572 is a wasteful number, since it uses less digits than its factorization.

87711949572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562256107 (or 562256105 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 60.

The spelling of 87711949572 in words is "eighty-seven billion, seven hundred eleven million, nine hundred forty-nine thousand, five hundred seventy-two".