86674142 has 4 divisors (see below), whose sum is σ = 130011216. Its totient is φ = 43337070.

The previous prime is 86674129. The next prime is 86674153. The reversal of 86674142 is 24147668.

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

It is a junction number, because it is equal to n+sod(n) for n = 86674096 and 86674105.

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, 21668534 + ... + 21668537.

It is an arithmetic number, because the mean of its divisors is an integer number (32502804).

Almost surely, 2^86674142 is an apocalyptic number.

86674142 is a deficient number, since it is larger than the sum of its proper divisors (43337074).

86674142 is a wasteful number, since it uses less digits than its factorization.

86674142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337073.

The product of its digits is 64512, while the sum is 38.

The square root of 86674142 is about 9309.8948436596. The cubic root of 86674142 is about 442.5508545934.

The spelling of 86674142 in words is "eighty-six million, six hundred seventy-four thousand, one hundred forty-two".