87486142 has 4 divisors (see below), whose sum is σ = 131229216. Its totient is φ = 43743070.

The previous prime is 87486107. The next prime is 87486149. The reversal of 87486142 is 24168478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24168478 = 2 ⋅12084239.

It is a junction number, because it is equal to n+sod(n) for n = 87486095 and 87486104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87486149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21871534 + ... + 21871537.

It is an arithmetic number, because the mean of its divisors is an integer number (32807304).

Almost surely, 2^87486142 is an apocalyptic number.

87486142 is a deficient number, since it is larger than the sum of its proper divisors (43743074).

87486142 is a wasteful number, since it uses less digits than its factorization.

87486142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43743073.

The product of its digits is 86016, while the sum is 40.

The square root of 87486142 is about 9353.4026963453. The cubic root of 87486142 is about 443.9285623507.

The spelling of 87486142 in words is "eighty-seven million, four hundred eighty-six thousand, one hundred forty-two".