1328625377 has 8 divisors (see below), whose sum is σ = 1361647392. Its totient is φ = 1295632800.

The previous prime is 1328625371. The next prime is 1328625379. The reversal of 1328625377 is 7735268231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1328625377 - 2¹⁴ = 1328608993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1328625371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105002 + ... + 116972.

It is an arithmetic number, because the mean of its divisors is an integer number (170205924).

Almost surely, 2^1328625377 is an apocalyptic number.

It is an amenable number.

1328625377 is a deficient number, since it is larger than the sum of its proper divisors (33022015).

1328625377 is a wasteful number, since it uses less digits than its factorization.

1328625377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14719.

The product of its digits is 423360, while the sum is 44.

The square root of 1328625377 is about 36450.3138120922. The cubic root of 1328625377 is about 1099.3454444680.

The spelling of 1328625377 in words is "one billion, three hundred twenty-eight million, six hundred twenty-five thousand, three hundred seventy-seven".