87724002052740 has 24 divisors (see below), whose sum is σ = 245627205747840. Its totient is φ = 23393067214048.

The previous prime is 87724002052711. The next prime is 87724002052747. The reversal of 87724002052740 is 4725020042778.

It is a happy number.

It is a super-2 number, since 2×87724002052740² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87724002052740.

It is not an unprimeable number, because it can be changed into a prime (87724002052747) 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, 731033350380 + ... + 731033350499.

It is an arithmetic number, because the mean of its divisors is an integer number (10234466906160).

Almost surely, 2^{87724002052740} is an apocalyptic number.

It is an amenable number.

87724002052740 is an abundant number, since it is smaller than the sum of its proper divisors (157903203695100).

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

87724002052740 is a wasteful number, since it uses less digits than its factorization.

87724002052740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462066700891 (or 1462066700889 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 48.

The spelling of 87724002052740 in words is "eighty-seven trillion, seven hundred twenty-four billion, two million, fifty-two thousand, seven hundred forty".