8778003481 has 9 divisors (see below), whose sum is σ = 9506494431. Its totient is φ = 8101648152.

The previous prime is 8778003473. The next prime is 8778003503. The reversal of 8778003481 is 1843008778.

The square root of 8778003481 is 93691.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1298521225 + 7479482256 = 36035^2 + 86484^2 .

It is not a de Polignac number, because 8778003481 - 2³ = 8778003473 is a prime.

It is a super-2 number, since 2×8778003481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8778003181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1214380 + ... + 1221586.

It is an arithmetic number, because the mean of its divisors is an integer number (1056277159).

Almost surely, 2^8778003481 is an apocalyptic number.

8778003481 is the 93691-st square number.

8778003481 is the 46846-th centered octagonal number.

It is an amenable number.

8778003481 is a deficient number, since it is larger than the sum of its proper divisors (728490950).

8778003481 is an frugal number, since it uses more digits than its factorization.

8778003481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14440 (or 7220 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The cubic root of 8778003481 is about 2062.8386010160.

The spelling of 8778003481 in words is "eight billion, seven hundred seventy-eight million, three thousand, four hundred eighty-one".