87544552397 has 8 divisors (see below), whose sum is σ = 89562182016. Its totient is φ = 85533380352.

The previous prime is 87544552391. The next prime is 87544552411. The reversal of 87544552397 is 79325544578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87544552397 - 2³² = 83249585101 is a prime.

It is a super-3 number, since 3×87544552397³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87544552391) 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, 1586963 + ... + 1641200.

It is an arithmetic number, because the mean of its divisors is an integer number (11195272752).

Almost surely, 2^87544552397 is an apocalyptic number.

It is an amenable number.

87544552397 is a deficient number, since it is larger than the sum of its proper divisors (2017629619).

87544552397 is a wasteful number, since it uses less digits than its factorization.

87544552397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228787.

The product of its digits is 42336000, while the sum is 59.

The spelling of 87544552397 in words is "eighty-seven billion, five hundred forty-four million, five hundred fifty-two thousand, three hundred ninety-seven".