877748416075145 has 16 divisors (see below), whose sum is σ = 1055267225347968. Its totient is φ = 700886547419520.

The previous prime is 877748416075133. The next prime is 877748416075151. The reversal of 877748416075145 is 541570614847778.

It is not a de Polignac number, because 877748416075145 - 2¹⁶ = 877748416009609 is a prime.

It is a Duffinian number.

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, 22903421 + ... + 47750010.

It is an arithmetic number, because the mean of its divisors is an integer number (65954201584248).

Almost surely, 2^{877748416075145} is an apocalyptic number.

It is an amenable number.

877748416075145 is a deficient number, since it is larger than the sum of its proper divisors (177518809272823).

877748416075145 is a wasteful number, since it uses less digits than its factorization.

877748416075145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70658080.

The product of its (nonzero) digits is 1475174400, while the sum is 74.

The spelling of 877748416075145 in words is "eight hundred seventy-seven trillion, seven hundred forty-eight billion, four hundred sixteen million, seventy-five thousand, one hundred forty-five".