1960977538 has 16 divisors (see below), whose sum is σ = 3211129656. Its totient is φ = 892667520.

The previous prime is 1960977503. The next prime is 1960977559. The reversal of 1960977538 is 8357790691.

It can be written as a sum of positive squares in 4 ways, for example, as 1213337889 + 747639649 = 34833^2 + 27343^2 .

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, 514693 + ... + 518488.

Almost surely, 2^1960977538 is an apocalyptic number.

1960977538 is a deficient number, since it is larger than the sum of its proper divisors (1250152118).

1960977538 is a wasteful number, since it uses less digits than its factorization.

1960977538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033269.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The square root of 1960977538 is about 44282.9260325015. The cubic root of 1960977538 is about 1251.6729680501.

The spelling of 1960977538 in words is "one billion, nine hundred sixty million, nine hundred seventy-seven thousand, five hundred thirty-eight".