3145746028887 has 144 divisors (see below), whose sum is σ = 5965577040384. Its totient is φ = 1611119160000.

The previous prime is 3145746028853. The next prime is 3145746028937. The reversal of 3145746028887 is 7888206475413.

It is a happy number.

3145746028887 is a `hidden beast` number, since 3 + 14 + 5 + 7 + 4 + 602 + 8 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 3145746028887 - 2¹⁵ = 3145745996119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145746028387) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35825137 + ... + 35912837.

It is an arithmetic number, because the mean of its divisors is an integer number (41427618336).

Almost surely, 2^{3145746028887} is an apocalyptic number.

3145746028887 is a deficient number, since it is larger than the sum of its proper divisors (2819831011497).

3145746028887 is an frugal number, since it uses more digits than its factorization.

3145746028887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87814 (or 87793 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 3145746028887 in words is "three trillion, one hundred forty-five billion, seven hundred forty-six million, twenty-eight thousand, eight hundred eighty-seven".