2381875657978 has 16 divisors (see below), whose sum is σ = 3585282839424. Its totient is φ = 1186787829280.

The previous prime is 2381875657969. The next prime is 2381875658021. The reversal of 2381875657978 is 8797565781832.

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, 873400 + ... + 2350867.

It is an arithmetic number, because the mean of its divisors is an integer number (224080177464).

Almost surely, 2^{2381875657978} is an apocalyptic number.

2381875657978 is a deficient number, since it is larger than the sum of its proper divisors (1203407181446).

2381875657978 is a wasteful number, since it uses less digits than its factorization.

2381875657978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225557.

The product of its digits is 1422489600, while the sum is 76.

The spelling of 2381875657978 in words is "two trillion, three hundred eighty-one billion, eight hundred seventy-five million, six hundred fifty-seven thousand, nine hundred seventy-eight".