8077144945 has 24 divisors (see below), whose sum is σ = 10210096512. Its totient is φ = 6133327200.

The previous prime is 8077144913. The next prime is 8077144951. The reversal of 8077144945 is 5494417708.

It is not a de Polignac number, because 8077144945 - 2⁵ = 8077144913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334840 + ... + 358150.

It is an arithmetic number, because the mean of its divisors is an integer number (425420688).

Almost surely, 2^8077144945 is an apocalyptic number.

It is an amenable number.

8077144945 is a deficient number, since it is larger than the sum of its proper divisors (2132951567).

8077144945 is a wasteful number, since it uses less digits than its factorization.

8077144945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23493 (or 23470 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 8077144945 is about 89872.9377788442. The cubic root of 8077144945 is about 2006.4081910312.

The spelling of 8077144945 in words is "eight billion, seventy-seven million, one hundred forty-four thousand, nine hundred forty-five".