977190048 has 96 divisors (see below), whose sum is σ = 2855502720. Its totient is φ = 325117440.

The previous prime is 977190041. The next prime is 977190079. The reversal of 977190048 is 840091779.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 977189985 and 977190012.

It is not an unprimeable number, because it can be changed into a prime (977190041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890236 + ... + 891332.

It is an arithmetic number, because the mean of its divisors is an integer number (29744820).

Almost surely, 2^977190048 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 977190048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427751360).

977190048 is an abundant number, since it is smaller than the sum of its proper divisors (1878312672).

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

977190048 is a wasteful number, since it uses less digits than its factorization.

977190048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 977190048 is about 31260.0391554457. The cubic root of 977190048 is about 992.3381283172.

The spelling of 977190048 in words is "nine hundred seventy-seven million, one hundred ninety thousand, forty-eight".