1288830885802 has 16 divisors (see below), whose sum is σ = 1999968141600. Its totient is φ = 622176130800.

The previous prime is 1288830885791. The next prime is 1288830885821. The reversal of 1288830885802 is 2085880388821.

It is a super-2 number, since 2×1288830885802² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809349 + ... + 2418967.

It is an arithmetic number, because the mean of its divisors is an integer number (124998008850).

Almost surely, 2^{1288830885802} is an apocalyptic number.

1288830885802 is a deficient number, since it is larger than the sum of its proper divisors (711137255798).

1288830885802 is a wasteful number, since it uses less digits than its factorization.

1288830885802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646101.

The product of its (nonzero) digits is 15728640, while the sum is 61.

The spelling of 1288830885802 in words is "one trillion, two hundred eighty-eight billion, eight hundred thirty million, eight hundred eighty-five thousand, eight hundred two".