977321409048 has 80 divisors (see below), whose sum is σ = 2856422519280. Its totient is φ = 311609719872.

The previous prime is 977321409019. The next prime is 977321409059. The reversal of 977321409048 is 840904123779.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 977321408985 and 977321409003.

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 19 ways as a sum of consecutive naturals, for example, 32772315 + ... + 32802122.

It is an arithmetic number, because the mean of its divisors is an integer number (35705281491).

Almost surely, 2^977321409048 is an apocalyptic number.

It is an amenable number.

977321409048 is an abundant number, since it is smaller than the sum of its proper divisors (1879101110232).

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

977321409048 is a wasteful number, since it uses less digits than its factorization.

977321409048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65574478 (or 65574465 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 977321409048 in words is "nine hundred seventy-seven billion, three hundred twenty-one million, four hundred nine thousand, forty-eight".