87527740380 has 24 divisors (see below), whose sum is σ = 245077673232. Its totient is φ = 23340730752.

The previous prime is 87527740369. The next prime is 87527740397. The reversal of 87527740380 is 8304772578.

It is a happy number.

It is a super-2 number, since 2×87527740380² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729397777 + ... + 729397896.

It is an arithmetic number, because the mean of its divisors is an integer number (10211569718).

Almost surely, 2^87527740380 is an apocalyptic number.

It is an amenable number.

87527740380 is an abundant number, since it is smaller than the sum of its proper divisors (157549932852).

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

87527740380 is a wasteful number, since it uses less digits than its factorization.

87527740380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458795685 (or 1458795683 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 87527740380 in words is "eighty-seven billion, five hundred twenty-seven million, seven hundred forty thousand, three hundred eighty".