382980178457 has 4 divisors (see below), whose sum is σ = 383123565696. Its totient is φ = 382836791220.

The previous prime is 382980178453. The next prime is 382980178463. The reversal of 382980178457 is 754871089283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 382980178457 - 2² = 382980178453 is a prime.

It is a super-3 number, since 3×382980178457³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382980178457.

It is not an unprimeable number, because it can be changed into a prime (382980178453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71689613 + ... + 71694954.

It is an arithmetic number, because the mean of its divisors is an integer number (95780891424).

Almost surely, 2^382980178457 is an apocalyptic number.

It is an amenable number.

382980178457 is a deficient number, since it is larger than the sum of its proper divisors (143387239).

382980178457 is a wasteful number, since it uses less digits than its factorization.

382980178457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143387238.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 382980178457 in words is "three hundred eighty-two billion, nine hundred eighty million, one hundred seventy-eight thousand, four hundred fifty-seven".