1976378325 has 12 divisors (see below), whose sum is σ = 3267612288. Its totient is φ = 1054068400.

The previous prime is 1976378323. The next prime is 1976378357. The reversal of 1976378325 is 5238736791.

It is not a de Polignac number, because 1976378325 - 2¹ = 1976378323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976378323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13175781 + ... + 13175930.

It is an arithmetic number, because the mean of its divisors is an integer number (272301024).

Almost surely, 2^1976378325 is an apocalyptic number.

1976378325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1976378325 is a deficient number, since it is larger than the sum of its proper divisors (1291233963).

1976378325 is a wasteful number, since it uses less digits than its factorization.

1976378325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26351724 (or 26351719 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 1976378325 is about 44456.4767497381. The cubic root of 1976378325 is about 1254.9411516138.

The spelling of 1976378325 in words is "one billion, nine hundred seventy-six million, three hundred seventy-eight thousand, three hundred twenty-five".