87253548440312 has 16 divisors (see below), whose sum is σ = 163953751935840. Its totient is φ = 43532547924096.

The previous prime is 87253548440213. The next prime is 87253548440339. The reversal of 87253548440312 is 21304484535278.

It is a happy number.

It is a super-2 number, since 2×87253548440312² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 11778283073 + ... + 11778290480.

It is an arithmetic number, because the mean of its divisors is an integer number (10247109495990).

Almost surely, 2^{87253548440312} is an apocalyptic number.

It is an amenable number.

87253548440312 is a deficient number, since it is larger than the sum of its proper divisors (76700203495528).

87253548440312 is a wasteful number, since it uses less digits than its factorization.

87253548440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23556574022 (or 23556574018 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 87253548440312 in words is "eighty-seven trillion, two hundred fifty-three billion, five hundred forty-eight million, four hundred forty thousand, three hundred twelve".