1078637436678 has 16 divisors (see below), whose sum is σ = 2179514821680. Its totient is φ = 355839154176.

The previous prime is 1078637436671. The next prime is 1078637436691. The reversal of 1078637436678 is 8766347368701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078637436671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926663883 + ... + 926665046.

It is an arithmetic number, because the mean of its divisors is an integer number (136219676355).

Almost surely, 2^{1078637436678} is an apocalyptic number.

1078637436678 is an abundant number, since it is smaller than the sum of its proper divisors (1100877385002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078637436678 is a wasteful number, since it uses less digits than its factorization.

1078637436678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853329031.

The product of its (nonzero) digits is 170698752, while the sum is 66.

The spelling of 1078637436678 in words is "one trillion, seventy-eight billion, six hundred thirty-seven million, four hundred thirty-six thousand, six hundred seventy-eight".