977028020 has 12 divisors (see below), whose sum is σ = 2051758884. Its totient is φ = 390811200.

The previous prime is 977028011. The next prime is 977028037. The reversal of 977028020 is 20820779.

977028020 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 273505444 + 703522576 = 16538^2 + 26524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24425681 + ... + 24425720.

It is an arithmetic number, because the mean of its divisors is an integer number (170979907).

Almost surely, 2^977028020 is an apocalyptic number.

It is an amenable number.

977028020 is an abundant number, since it is smaller than the sum of its proper divisors (1074730864).

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

977028020 is a wasteful number, since it uses less digits than its factorization.

977028020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48851410 (or 48851408 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 977028020 is about 31257.4474325720. The cubic root of 977028020 is about 992.2832787172.

Adding to 977028020 its reverse (20820779), we get a palindrome (997848799).

The spelling of 977028020 in words is "nine hundred seventy-seven million, twenty-eight thousand, twenty".