87276142 has 4 divisors (see below), whose sum is σ = 130914216. Its totient is φ = 43638070.

The previous prime is 87276127. The next prime is 87276157. The reversal of 87276142 is 24167278.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (87276127) and next prime (87276157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21819034 + ... + 21819037.

It is an arithmetic number, because the mean of its divisors is an integer number (32728554).

Almost surely, 2^87276142 is an apocalyptic number.

87276142 is a deficient number, since it is larger than the sum of its proper divisors (43638074).

87276142 is a wasteful number, since it uses less digits than its factorization.

87276142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43638073.

The product of its digits is 37632, while the sum is 37.

The square root of 87276142 is about 9342.1700905089. The cubic root of 87276142 is about 443.5730786615.

The spelling of 87276142 in words is "eighty-seven million, two hundred seventy-six thousand, one hundred forty-two".