1328990777158 has 32 divisors (see below), whose sum is σ = 2225544035328. Its totient is φ = 590019552000.

The previous prime is 1328990777129. The next prime is 1328990777167. The reversal of 1328990777158 is 8517770998231.

It is a junction number, because it is equal to n+sod(n) for n = 1328990777093 and 1328990777102.

It is a congruent 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, 816043 + ... + 1823158.

It is an arithmetic number, because the mean of its divisors is an integer number (69548251104).

Almost surely, 2^{1328990777158} is an apocalyptic number.

1328990777158 is a deficient number, since it is larger than the sum of its proper divisors (896553258170).

1328990777158 is a wasteful number, since it uses less digits than its factorization.

1328990777158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639748.

The product of its (nonzero) digits is 53343360, while the sum is 67.

The spelling of 1328990777158 in words is "one trillion, three hundred twenty-eight billion, nine hundred ninety million, seven hundred seventy-seven thousand, one hundred fifty-eight".