87854537 has 8 divisors (see below), whose sum is σ = 92618400. Its totient is φ = 83104704.

The previous prime is 87854509. The next prime is 87854567. The reversal of 87854537 is 73545878.

It is a happy number.

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 87854537 - 2¹⁶ = 87789001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87854491 and 87854500.

It is not an unprimeable number, because it can be changed into a prime (87854567) 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, 10913 + ... + 17169.

It is an arithmetic number, because the mean of its divisors is an integer number (11577300).

Almost surely, 2^87854537 is an apocalyptic number.

It is an amenable number.

87854537 is a deficient number, since it is larger than the sum of its proper divisors (4763863).

87854537 is a wasteful number, since it uses less digits than its factorization.

87854537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015.

The product of its digits is 940800, while the sum is 47.

The square root of 87854537 is about 9373.0751090557. The cubic root of 87854537 is about 444.5508020299.

The spelling of 87854537 in words is "eighty-seven million, eight hundred fifty-four thousand, five hundred thirty-seven".