287474208142 has 12 divisors (see below), whose sum is σ = 473976070848. Its totient is φ = 130670094500.

The previous prime is 287474208113. The next prime is 287474208181. The reversal of 287474208142 is 241802474782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 593954734 + ... + 593955217.

It is an arithmetic number, because the mean of its divisors is an integer number (39498005904).

Almost surely, 2^287474208142 is an apocalyptic number.

287474208142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

287474208142 is a deficient number, since it is larger than the sum of its proper divisors (186501862706).

287474208142 is a wasteful number, since it uses less digits than its factorization.

287474208142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187909975 (or 1187909964 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 49.

It can be divided in two parts, 287474 and 208142, that added together give a square (495616 = 704²).

The spelling of 287474208142 in words is "two hundred eighty-seven billion, four hundred seventy-four million, two hundred eight thousand, one hundred forty-two".