870045540078 has 192 divisors, whose sum is σ = 2083985729280. Its totient is φ = 240020352000.

The previous prime is 870045540047. The next prime is 870045540079.

870045540078 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870045540079) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 318813418 + ... + 318816146.

It is an arithmetic number, because the mean of its divisors is an integer number (10854092340).

Almost surely, 2^870045540078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870045540078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041992864640).

870045540078 is an abundant number, since it is smaller than the sum of its proper divisors (1213940189202).

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

870045540078 is a wasteful number, since it uses less digits than its factorization.

870045540078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3142 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 870045540078 in words is "eight hundred seventy billion, forty-five million, five hundred forty thousand, seventy-eight".