977487963270 has 256 divisors, whose sum is σ = 2903512614912. Its totient is φ = 205087703040.

The previous prime is 977487963251. The next prime is 977487963281. The reversal of 977487963270 is 72369784779.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 977487963195 and 977487963204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 765455872 + ... + 765457148.

It is an arithmetic number, because the mean of its divisors is an integer number (11341846152).

Almost surely, 2^977487963270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977487963270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451756307456).

977487963270 is an abundant number, since it is smaller than the sum of its proper divisors (1926024651642).

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

977487963270 is a wasteful number, since it uses less digits than its factorization.

977487963270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 224042112, while the sum is 69.

The spelling of 977487963270 in words is "nine hundred seventy-seven billion, four hundred eighty-seven million, nine hundred sixty-three thousand, two hundred seventy".