86078983 has 4 divisors (see below), whose sum is σ = 88405480. Its totient is φ = 83752488.

The previous prime is 86078977. The next prime is 86079013. The reversal of 86078983 is 38987068.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86078983 - 2⁹ = 86078471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86078933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163193 + ... + 1163266.

It is an arithmetic number, because the mean of its divisors is an integer number (22101370).

Almost surely, 2^86078983 is an apocalyptic number.

86078983 is a deficient number, since it is larger than the sum of its proper divisors (2326497).

86078983 is a wasteful number, since it uses less digits than its factorization.

86078983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326496.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 86078983 is about 9277.8759961534. The cubic root of 86078983 is about 441.5355833294.

The spelling of 86078983 in words is "eighty-six million, seventy-eight thousand, nine hundred eighty-three".