86078602 has 4 divisors (see below), whose sum is σ = 129117906. Its totient is φ = 43039300.

The previous prime is 86078593. The next prime is 86078609. The reversal of 86078602 is 20687068.

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., 85766121 + 312481 = 9261^2 + 559^2 .

It is not an unprimeable number, because it can be changed into a prime (86078609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21519649 + ... + 21519652.

Almost surely, 2^86078602 is an apocalyptic number.

86078602 is a deficient number, since it is larger than the sum of its proper divisors (43039304).

86078602 is a wasteful number, since it uses less digits than its factorization.

86078602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43039303.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 86078602 is about 9277.8554634139. The cubic root of 86078602 is about 441.5349318917.

The spelling of 86078602 in words is "eighty-six million, seventy-eight thousand, six hundred two".