2062847978 has 12 divisors (see below), whose sum is σ = 3126529062. Its totient is φ = 1020781440.

The previous prime is 2062847977. The next prime is 2062848037. The reversal of 2062847978 is 8797482602.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1787852089 + 274995889 = 42283^2 + 16583^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2062847977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35993 + ... + 73628.

Almost surely, 2^2062847978 is an apocalyptic number.

2062847978 is a deficient number, since it is larger than the sum of its proper divisors (1063681084).

2062847978 is an equidigital number, since it uses as much as digits as its factorization.

2062847978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109817 (or 109720 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 2062847978 is about 45418.5862615736. The cubic root of 2062847978 is about 1272.9824254550.

The spelling of 2062847978 in words is "two billion, sixty-two million, eight hundred forty-seven thousand, nine hundred seventy-eight".