977851542448 has 20 divisors (see below), whose sum is σ = 2066822578728. Its totient is φ = 444477973760.

The previous prime is 977851542427. The next prime is 977851542467. The reversal of 977851542448 is 844245158779.

It is a self number, because there is not a number n which added to its sum of digits gives 977851542448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777987161 + ... + 2777987512.

Almost surely, 2^977851542448 is an apocalyptic number.

It is an amenable number.

977851542448 is an abundant number, since it is smaller than the sum of its proper divisors (1088971036280).

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

977851542448 is a wasteful number, since it uses less digits than its factorization.

977851542448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555974692 (or 5555974686 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 64.

The spelling of 977851542448 in words is "nine hundred seventy-seven billion, eight hundred fifty-one million, five hundred forty-two thousand, four hundred forty-eight".