86874763813 has 4 divisors (see below), whose sum is σ = 86875372960. Its totient is φ = 86874154668.

The previous prime is 86874763799. The next prime is 86874763823. The reversal of 86874763813 is 31836747868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86874763813 - 2⁹ = 86874763301 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 (86874763823) 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, 37168 + ... + 418486.

It is an arithmetic number, because the mean of its divisors is an integer number (21718843240).

Almost surely, 2^86874763813 is an apocalyptic number.

It is an amenable number.

86874763813 is a deficient number, since it is larger than the sum of its proper divisors (609147).

86874763813 is a wasteful number, since it uses less digits than its factorization.

86874763813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609146.

The product of its digits is 32514048, while the sum is 61.

The spelling of 86874763813 in words is "eighty-six billion, eight hundred seventy-four million, seven hundred sixty-three thousand, eight hundred thirteen".