87447154743 has 40 divisors (see below), whose sum is σ = 148954761648. Its totient is φ = 50648115456.

The previous prime is 87447154733. The next prime is 87447154747. The reversal of 87447154743 is 34745174478.

It is a happy number.

87447154743 is a `hidden beast` number, since 8 + 7 + 447 + 154 + 7 + 43 = 666.

It is not a de Polignac number, because 87447154743 - 2¹³ = 87447146551 is a prime.

It is a super-3 number, since 3×87447154743³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87447154743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87447154747) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2424621 + ... + 2460422.

Almost surely, 2^87447154743 is an apocalyptic number.

87447154743 is a deficient number, since it is larger than the sum of its proper divisors (61507606905).

87447154743 is a wasteful number, since it uses less digits than its factorization.

87447154743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885085 (or 4885076 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 54.

The spelling of 87447154743 in words is "eighty-seven billion, four hundred forty-seven million, one hundred fifty-four thousand, seven hundred forty-three".