2878736428593 has 12 divisors (see below), whose sum is σ = 4160106209220. Its totient is φ = 1918266218496.

The previous prime is 2878736428523. The next prime is 2878736428597. The reversal of 2878736428593 is 3958246378782.

2878736428593 is a `hidden beast` number, since 2 + 8 + 7 + 8 + 7 + 3 + 6 + 4 + 28 + 593 = 666.

2878736428593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1547904245904 + 1330832182689 = 1244148^2 + 1153617^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2878736428593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2878736428597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74262928 + ... + 74301681.

It is an arithmetic number, because the mean of its divisors is an integer number (346675517435).

Almost surely, 2^{2878736428593} is an apocalyptic number.

It is an amenable number.

2878736428593 is a deficient number, since it is larger than the sum of its proper divisors (1281369780627).

2878736428593 is a wasteful number, since it uses less digits than its factorization.

2878736428593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148566768 (or 148566765 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 72.

The spelling of 2878736428593 in words is "two trillion, eight hundred seventy-eight billion, seven hundred thirty-six million, four hundred twenty-eight thousand, five hundred ninety-three".