87352786 has 4 divisors (see below), whose sum is σ = 131029182. Its totient is φ = 43676392.

The previous prime is 87352753. The next prime is 87352787. The reversal of 87352786 is 68725378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68725378 = 2 ⋅34362689.

It can be written as a sum of positive squares in only one way, i.e., 79762761 + 7590025 = 8931^2 + 2755^2 .

It is not an unprimeable number, because it can be changed into a prime (87352787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21838195 + ... + 21838198.

Almost surely, 2^87352786 is an apocalyptic number.

87352786 is a deficient number, since it is larger than the sum of its proper divisors (43676396).

87352786 is a wasteful number, since it uses less digits than its factorization.

87352786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43676395.

The product of its digits is 564480, while the sum is 46.

The square root of 87352786 is about 9346.2712350969. The cubic root of 87352786 is about 443.7028860646.

The spelling of 87352786 in words is "eighty-seven million, three hundred fifty-two thousand, seven hundred eighty-six".