4282178078257 has 4 divisors (see below), whose sum is σ = 4289784078960. Its totient is φ = 4274572077556.

The previous prime is 4282178078207. The next prime is 4282178078273. The reversal of 4282178078257 is 7528708712824.

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 4282178078257 - 2³⁵ = 4247818339889 is a prime.

It is a super-3 number, since 3×4282178078257³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4282178078195 and 4282178078204.

It is not an unprimeable number, because it can be changed into a prime (4282178078207) 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, 3802999507 + ... + 3803000632.

It is an arithmetic number, because the mean of its divisors is an integer number (1072446019740).

Almost surely, 2^{4282178078257} is an apocalyptic number.

It is an amenable number.

4282178078257 is a deficient number, since it is larger than the sum of its proper divisors (7606000703).

4282178078257 is an equidigital number, since it uses as much as digits as its factorization.

4282178078257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606000702.

The product of its (nonzero) digits is 28098560, while the sum is 61.

The spelling of 4282178078257 in words is "four trillion, two hundred eighty-two billion, one hundred seventy-eight million, seventy-eight thousand, two hundred fifty-seven".