86323778837234 has 4 divisors (see below), whose sum is σ = 129485668255854. Its totient is φ = 43161889418616.

The previous prime is 86323778837209. The next prime is 86323778837267. The reversal of 86323778837234 is 43273887732368.

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., 72547039677025 + 13776739160209 = 8517455^2 + 3711703^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21580944709307 + ... + 21580944709310.

Almost surely, 2^{86323778837234} is an apocalyptic number.

86323778837234 is a deficient number, since it is larger than the sum of its proper divisors (43161889418620).

86323778837234 is a wasteful number, since it uses less digits than its factorization.

86323778837234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43161889418619.

The product of its digits is 1365590016, while the sum is 71.

The spelling of 86323778837234 in words is "eighty-six trillion, three hundred twenty-three billion, seven hundred seventy-eight million, eight hundred thirty-seven thousand, two hundred thirty-four".