977429980 has 12 divisors (see below), whose sum is σ = 2052603000. Its totient is φ = 390971984.

The previous prime is 977429953. The next prime is 977429987. The reversal of 977429980 is 89924779.

977429980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977429987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24435730 + ... + 24435769.

It is an arithmetic number, because the mean of its divisors is an integer number (171050250).

Almost surely, 2^977429980 is an apocalyptic number.

It is an amenable number.

977429980 is an abundant number, since it is smaller than the sum of its proper divisors (1075173020).

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

977429980 is a wasteful number, since it uses less digits than its factorization.

977429980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48871508 (or 48871506 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 977429980 is about 31263.8765990400. The cubic root of 977429980 is about 992.4193387867.

The spelling of 977429980 in words is "nine hundred seventy-seven million, four hundred twenty-nine thousand, nine hundred eighty".