977228426028 has 48 divisors (see below), whose sum is σ = 2461384961280. Its totient is φ = 300835934784.

The previous prime is 977228425993. The next prime is 977228426029. The reversal of 977228426028 is 820624822779.

It is not an unprimeable number, because it can be changed into a prime (977228426029) 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, 61038250 + ... + 61054257.

It is an arithmetic number, because the mean of its divisors is an integer number (51278853360).

Almost surely, 2^977228426028 is an apocalyptic number.

It is an amenable number.

977228426028 is an abundant number, since it is smaller than the sum of its proper divisors (1484156535252).

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

977228426028 is a wasteful number, since it uses less digits than its factorization.

977228426028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122092566 (or 122092564 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 977228426028 in words is "nine hundred seventy-seven billion, two hundred twenty-eight million, four hundred twenty-six thousand, twenty-eight".