977987076000 has 384 divisors, whose sum is σ = 3679112586240. Its totient is φ = 224608896000.

The previous prime is 977987075971. The next prime is 977987076089. The reversal of 977987076000 is 670789779.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2313027 + ... + 2702973.

It is an arithmetic number, because the mean of its divisors is an integer number (9581022360).

Almost surely, 2^977987076000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977987076000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839556293120).

977987076000 is an abundant number, since it is smaller than the sum of its proper divisors (2701125510240).

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

977987076000 is a wasteful number, since it uses less digits than its factorization.

977987076000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390005 (or 389987 counting only the distinct ones).

The product of its (nonzero) digits is 9335088, while the sum is 60.

The spelling of 977987076000 in words is "nine hundred seventy-seven billion, nine hundred eighty-seven million, seventy-six thousand".