1976778048 has 56 divisors (see below), whose sum is σ = 5977404352. Its totient is φ = 564793344.

The previous prime is 1976777939. The next prime is 1976778061. The reversal of 1976778048 is 8408776791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734065 + ... + 736752.

Almost surely, 2^1976778048 is an apocalyptic number.

It is an amenable number.

1976778048 is an abundant number, since it is smaller than the sum of its proper divisors (4000626304).

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

1976778048 is a wasteful number, since it uses less digits than its factorization.

1976778048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470839 (or 1470829 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 57.

The square root of 1976778048 is about 44460.9721891009. The cubic root of 1976778048 is about 1255.0257499624.

The spelling of 1976778048 in words is "one billion, nine hundred seventy-six million, seven hundred seventy-eight thousand, forty-eight".