1078674458257 has 16 divisors (see below), whose sum is σ = 1269464130432. Its totient is φ = 905516235520.

The previous prime is 1078674458249. The next prime is 1078674458261. The reversal of 1078674458257 is 7528544768701.

It is a cyclic number.

It is not a de Polignac number, because 1078674458257 - 2³ = 1078674458249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078674458297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54408133 + ... + 54427954.

It is an arithmetic number, because the mean of its divisors is an integer number (79341508152).

Almost surely, 2^{1078674458257} is an apocalyptic number.

1078674458257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1078674458257 is a deficient number, since it is larger than the sum of its proper divisors (190789672175).

1078674458257 is a wasteful number, since it uses less digits than its factorization.

1078674458257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108836168.

The product of its (nonzero) digits is 105369600, while the sum is 64.

The spelling of 1078674458257 in words is "one trillion, seventy-eight billion, six hundred seventy-four million, four hundred fifty-eight thousand, two hundred fifty-seven".