1007776442 has 4 divisors (see below), whose sum is σ = 1511664666. Its totient is φ = 503888220.

The previous prime is 1007776421. The next prime is 1007776453. The reversal of 1007776442 is 2446777001.

1007776442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 960318121 + 47458321 = 30989^2 + 6889^2 .

It is a super-2 number, since 2×1007776442² = 2031226714100358728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1007776396 and 1007776405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251944109 + ... + 251944112.

Almost surely, 2^1007776442 is an apocalyptic number.

1007776442 is a deficient number, since it is larger than the sum of its proper divisors (503888224).

1007776442 is an equidigital number, since it uses as much as digits as its factorization.

1007776442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503888223.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 1007776442 is about 31745.4948299755. The cubic root of 1007776442 is about 1002.5854569846.

The spelling of 1007776442 in words is "one billion, seven million, seven hundred seventy-six thousand, four hundred forty-two".