1042897259978 has 64 divisors (see below), whose sum is σ = 1860453792000. Its totient is φ = 428984930304.

The previous prime is 1042897259977. The next prime is 1042897260077. The reversal of 1042897259978 is 8799527982401.

1042897259978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1042897259977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123723068 + ... + 123731496.

It is an arithmetic number, because the mean of its divisors is an integer number (29069590500).

Almost surely, 2^{1042897259978} is an apocalyptic number.

1042897259978 is a deficient number, since it is larger than the sum of its proper divisors (817556532022).

1042897259978 is a wasteful number, since it uses less digits than its factorization.

1042897259978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239.

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 1042897259978 in words is "one trillion, forty-two billion, eight hundred ninety-seven million, two hundred fifty-nine thousand, nine hundred seventy-eight".