2775005002778 has 32 divisors (see below), whose sum is σ = 4312412697600. Its totient is φ = 1337676633216.

The previous prime is 2775005002769. The next prime is 2775005002787. The reversal of 2775005002778 is 8772005005772.

It is an interprime number because it is at equal distance from previous prime (2775005002769) and next prime (2775005002787).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244423550 + ... + 244434902.

It is an arithmetic number, because the mean of its divisors is an integer number (134762896800).

Almost surely, 2^{2775005002778} is an apocalyptic number.

2775005002778 is a deficient number, since it is larger than the sum of its proper divisors (1537407694822).

2775005002778 is a wasteful number, since it uses less digits than its factorization.

2775005002778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17246.

The product of its (nonzero) digits is 1920800, while the sum is 50.

The spelling of 2775005002778 in words is "two trillion, seven hundred seventy-five billion, five million, two thousand, seven hundred seventy-eight".