87313458777 has 8 divisors (see below), whose sum is σ = 116428956864. Its totient is φ = 58203466608.

The previous prime is 87313458773. The next prime is 87313458833. The reversal of 87313458777 is 77785431378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87313458777 - 2² = 87313458773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87313458777.

It is not an unprimeable number, because it can be changed into a prime (87313458773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339333 + ... + 1403010.

It is an arithmetic number, because the mean of its divisors is an integer number (14553619608).

Almost surely, 2^87313458777 is an apocalyptic number.

It is an amenable number.

87313458777 is a deficient number, since it is larger than the sum of its proper divisors (29115498087).

87313458777 is a wasteful number, since it uses less digits than its factorization.

87313458777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752959.

The product of its digits is 27659520, while the sum is 60.

The spelling of 87313458777 in words is "eighty-seven billion, three hundred thirteen million, four hundred fifty-eight thousand, seven hundred seventy-seven".