3055719978 has 80 divisors (see below), whose sum is σ = 7288677000. Its totient is φ = 953524224.

The previous prime is 3055719971. The next prime is 3055719991. The reversal of 3055719978 is 8799175503.

3055719978 is a `hidden beast` number, since 3 + 0 + 557 + 19 + 9 + 78 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1764252009 + 1291467969 = 42003^2 + 35937^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3055719971) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 528648 + ... + 534396.

Almost surely, 2^3055719978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3055719978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3644338500).

3055719978 is an abundant number, since it is smaller than the sum of its proper divisors (4232957022).

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

3055719978 is a wasteful number, since it uses less digits than its factorization.

3055719978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973 (or 5964 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The square root of 3055719978 is about 55278.5670762186. The cubic root of 3055719978 is about 1451.1239763972.

The spelling of 3055719978 in words is "three billion, fifty-five million, seven hundred nineteen thousand, nine hundred seventy-eight".