1876920397 has 16 divisors (see below), whose sum is σ = 2120489280. Its totient is φ = 1645638400.

The previous prime is 1876920391. The next prime is 1876920403. The reversal of 1876920397 is 7930296781.

It is an interprime number because it is at equal distance from previous prime (1876920391) and next prime (1876920403).

It is a cyclic number.

It is not a de Polignac number, because 1876920397 - 2¹¹ = 1876918349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1876920391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345333 + ... + 350725.

It is an arithmetic number, because the mean of its divisors is an integer number (132530580).

Almost surely, 2^1876920397 is an apocalyptic number.

It is an amenable number.

1876920397 is a deficient number, since it is larger than the sum of its proper divisors (243568883).

1876920397 is a wasteful number, since it uses less digits than its factorization.

1876920397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 1876920397 is about 43323.4393486944. The cubic root of 1876920397 is about 1233.5268807442.

The spelling of 1876920397 in words is "one billion, eight hundred seventy-six million, nine hundred twenty thousand, three hundred ninety-seven".