3980597578 has 16 divisors (see below), whose sum is σ = 6082876296. Its totient is φ = 1953123840.

The previous prime is 3980597567. The next prime is 3980597587. The reversal of 3980597578 is 8757950893.

It can be written as a sum of positive squares in 4 ways, for example, as 2487316129 + 1493281449 = 49873^2 + 38643^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

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, 15150 + ... + 90502.

Almost surely, 2^3980597578 is an apocalyptic number.

3980597578 is a deficient number, since it is larger than the sum of its proper divisors (2102278718).

3980597578 is a wasteful number, since it uses less digits than its factorization.

3980597578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75849.

The product of its (nonzero) digits is 19051200, while the sum is 61.

The square root of 3980597578 is about 63091.9771286334. The cubic root of 3980597578 is about 1584.8302721061.

The spelling of 3980597578 in words is "three billion, nine hundred eighty million, five hundred ninety-seven thousand, five hundred seventy-eight".