1028977271070 has 128 divisors (see below), whose sum is σ = 2897001676800. Its totient is φ = 229047330432.

The previous prime is 1028977270961. The next prime is 1028977271071. The reversal of 1028977271070 is 701727798201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028977271071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 937651 + ... + 1713809.

It is an arithmetic number, because the mean of its divisors is an integer number (22632825600).

Almost surely, 2^{1028977271070} is an apocalyptic number.

1028977271070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028977271070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448500838400).

1028977271070 is an abundant number, since it is smaller than the sum of its proper divisors (1868024405730).

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

1028977271070 is a wasteful number, since it uses less digits than its factorization.

1028977271070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776342.

The product of its (nonzero) digits is 691488, while the sum is 51.

The spelling of 1028977271070 in words is "one trillion, twenty-eight billion, nine hundred seventy-seven million, two hundred seventy-one thousand, seventy".