1077008642 has 4 divisors (see below), whose sum is σ = 1615512966. Its totient is φ = 538504320.

The previous prime is 1077008629. The next prime is 1077008663. The reversal of 1077008642 is 2468007701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2468007701 = 59 ⋅41830639.

It can be written as a sum of positive squares in only one way, i.e., 688485121 + 388523521 = 26239^2 + 19711^2 .

It is a super-2 number, since 2×1077008642² = 2319895229885368328, 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, 269252159 + ... + 269252162.

Almost surely, 2^1077008642 is an apocalyptic number.

1077008642 is a deficient number, since it is larger than the sum of its proper divisors (538504324).

1077008642 is an equidigital number, since it uses as much as digits as its factorization.

1077008642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538504323.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1077008642 is about 32817.8098294204. The cubic root of 1077008642 is about 1025.0374420588.

The spelling of 1077008642 in words is "one billion, seventy-seven million, eight thousand, six hundred forty-two".