8778726473 has 8 divisors (see below), whose sum is σ = 9583320576. Its totient is φ = 7975220400.

The previous prime is 8778726469. The next prime is 8778726479. The reversal of 8778726473 is 3746278778.

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

It is a cyclic number.

It is not a de Polignac number, because 8778726473 - 2² = 8778726469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8778726479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255086 + ... + 287447.

It is an arithmetic number, because the mean of its divisors is an integer number (1197915072).

Almost surely, 2^8778726473 is an apocalyptic number.

It is an amenable number.

8778726473 is a deficient number, since it is larger than the sum of its proper divisors (804594103).

8778726473 is a wasteful number, since it uses less digits than its factorization.

8778726473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544015.

The product of its digits is 22127616, while the sum is 59.

The square root of 8778726473 is about 93694.8583060992. The cubic root of 8778726473 is about 2062.8952340482.

The spelling of 8778726473 in words is "eight billion, seven hundred seventy-eight million, seven hundred twenty-six thousand, four hundred seventy-three".