287852593420 has 48 divisors (see below), whose sum is σ = 694663115328. Its totient is φ = 98147047680.

The previous prime is 287852593411. The next prime is 287852593423. The reversal of 287852593420 is 24395258782.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (287852593423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5654467 + ... + 5705146.

It is an arithmetic number, because the mean of its divisors is an integer number (14472148236).

Almost surely, 2^287852593420 is an apocalyptic number.

287852593420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287852593420 is an abundant number, since it is smaller than the sum of its proper divisors (406810521908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287852593420 is a wasteful number, since it uses less digits than its factorization.

287852593420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359810 (or 11359808 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 287852593420 in words is "two hundred eighty-seven billion, eight hundred fifty-two million, five hundred ninety-three thousand, four hundred twenty".