87292142 has 8 divisors (see below), whose sum is σ = 149643696. Its totient is φ = 37410912.

The previous prime is 87292141. The next prime is 87292147. The reversal of 87292142 is 24129278.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87292141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3117563 + ... + 3117590.

It is an arithmetic number, because the mean of its divisors is an integer number (18705462).

Almost surely, 2^87292142 is an apocalyptic number.

87292142 is a deficient number, since it is larger than the sum of its proper divisors (62351554).

87292142 is a wasteful number, since it uses less digits than its factorization.

87292142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235162.

The product of its digits is 16128, while the sum is 35.

The square root of 87292142 is about 9343.0263833514. The cubic root of 87292142 is about 443.6001831884.

The spelling of 87292142 in words is "eighty-seven million, two hundred ninety-two thousand, one hundred forty-two".