2077643745507 has 64 divisors (see below), whose sum is σ = 3229279488000. Its totient is φ = 1183991621120.

The previous prime is 2077643745491. The next prime is 2077643745509. The reversal of 2077643745507 is 7055473467702.

It is not a de Polignac number, because 2077643745507 - 2⁴ = 2077643745491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2077643745509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74858869 + ... + 74886617.

It is an arithmetic number, because the mean of its divisors is an integer number (50457492000).

Almost surely, 2^{2077643745507} is an apocalyptic number.

2077643745507 is a deficient number, since it is larger than the sum of its proper divisors (1151635742493).

2077643745507 is a wasteful number, since it uses less digits than its factorization.

2077643745507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28905 (or 28883 counting only the distinct ones).

The product of its (nonzero) digits is 34574400, while the sum is 57.

The spelling of 2077643745507 in words is "two trillion, seventy-seven billion, six hundred forty-three million, seven hundred forty-five thousand, five hundred seven".