87196154 has 4 divisors (see below), whose sum is σ = 130794234. Its totient is φ = 43598076.

The previous prime is 87196121. The next prime is 87196169. The reversal of 87196154 is 45169178.

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

It can be written as a sum of positive squares in only one way, i.e., 72165025 + 15031129 = 8495^2 + 3877^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21799037 + ... + 21799040.

Almost surely, 2^87196154 is an apocalyptic number.

87196154 is a deficient number, since it is larger than the sum of its proper divisors (43598080).

87196154 is a wasteful number, since it uses less digits than its factorization.

87196154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43598079.

The product of its digits is 60480, while the sum is 41.

The square root of 87196154 is about 9337.8880909979. Note that the first 3 decimals coincide. The cubic root of 87196154 is about 443.4375266563.

The spelling of 87196154 in words is "eighty-seven million, one hundred ninety-six thousand, one hundred fifty-four".