2775517248 has 56 divisors (see below), whose sum is σ = 8392639552. Its totient is φ = 793004544.

The previous prime is 2775517247. The next prime is 2775517253. The reversal of 2775517248 is 8427155772.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2775517197 and 2775517206.

It is not an unprimeable number, because it can be changed into a prime (2775517247) 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, 1031215 + ... + 1033902.

Almost surely, 2^2775517248 is an apocalyptic number.

2775517248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2775517248 is an abundant number, since it is smaller than the sum of its proper divisors (5617122304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2775517248 is a wasteful number, since it uses less digits than its factorization.

2775517248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065139 (or 2065129 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 48.

The square root of 2775517248 is about 52683.1780362575. The cubic root of 2775517248 is about 1405.3396844199.

The spelling of 2775517248 in words is "two billion, seven hundred seventy-five million, five hundred seventeen thousand, two hundred forty-eight".