1077561962 has 4 divisors (see below), whose sum is σ = 1616342946. Its totient is φ = 538780980.

The previous prime is 1077561917. The next prime is 1077561973. The reversal of 1077561962 is 2691657701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2691657701 = 19267 ⋅139703.

It can be written as a sum of positive squares in only one way, i.e., 991053361 + 86508601 = 31481^2 + 9301^2 .

It is a super-2 number, since 2×1077561962² = 2322279563898578888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269390489 + ... + 269390492.

Almost surely, 2^1077561962 is an apocalyptic number.

1077561962 is a deficient number, since it is larger than the sum of its proper divisors (538780984).

1077561962 is an equidigital number, since it uses as much as digits as its factorization.

1077561962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538780983.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 1077561962 is about 32826.2389255912. The cubic root of 1077561962 is about 1025.2129518283.

The spelling of 1077561962 in words is "one billion, seventy-seven million, five hundred sixty-one thousand, nine hundred sixty-two".