87432206 has 4 divisors (see below), whose sum is σ = 131148312. Its totient is φ = 43716102.

The previous prime is 87432203. The next prime is 87432209. The reversal of 87432206 is 60223478.

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 (87432203) and next prime (87432209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87432203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21858050 + ... + 21858053.

It is an arithmetic number, because the mean of its divisors is an integer number (32787078).

Almost surely, 2^87432206 is an apocalyptic number.

87432206 is a deficient number, since it is larger than the sum of its proper divisors (43716106).

87432206 is a wasteful number, since it uses less digits than its factorization.

87432206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43716105.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 87432206 is about 9350.5190230275. The cubic root of 87432206 is about 443.8373149349.

The spelling of 87432206 in words is "eighty-seven million, four hundred thirty-two thousand, two hundred six".