87355020548 has 6 divisors (see below), whose sum is σ = 152871285966. Its totient is φ = 43677510272.

The previous prime is 87355020539. The next prime is 87355020553. The reversal of 87355020548 is 84502055378.

It can be written as a sum of positive squares in only one way, i.e., 83017744384 + 4337276164 = 288128^2 + 65858^2 .

It is a super-2 number, since 2×87355020548² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10919377565 + ... + 10919377572.

It is an arithmetic number, because the mean of its divisors is an integer number (25478547661).

Almost surely, 2^87355020548 is an apocalyptic number.

It is an amenable number.

87355020548 is a deficient number, since it is larger than the sum of its proper divisors (65516265418).

87355020548 is a wasteful number, since it uses less digits than its factorization.

87355020548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21838755141 (or 21838755139 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 87355020548 in words is "eighty-seven billion, three hundred fifty-five million, twenty thousand, five hundred forty-eight".