87253526742 has 16 divisors (see below), whose sum is σ = 174518599680. Its totient is φ = 29082584552.

The previous prime is 87253526741. The next prime is 87253526753. The reversal of 87253526742 is 24762535278.

It is a super-2 number, since 2×87253526742² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87253526741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381258 + ... + 565565.

It is an arithmetic number, because the mean of its divisors is an integer number (10907412480).

Almost surely, 2^87253526742 is an apocalyptic number.

87253526742 is an abundant number, since it is smaller than the sum of its proper divisors (87265072938).

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

87253526742 is a wasteful number, since it uses less digits than its factorization.

87253526742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962187.

The product of its digits is 5644800, while the sum is 51.

The spelling of 87253526742 in words is "eighty-seven billion, two hundred fifty-three million, five hundred twenty-six thousand, seven hundred forty-two".