1076778899 has 8 divisors (see below), whose sum is σ = 1253823840. Its totient is φ = 905538816.

The previous prime is 1076778881. The next prime is 1076778907. The reversal of 1076778899 is 9988776701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1076778899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1076778299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450814 + ... + 1451555.

It is an arithmetic number, because the mean of its divisors is an integer number (156727980).

Almost surely, 2^1076778899 is an apocalyptic number.

1076778899 is a deficient number, since it is larger than the sum of its proper divisors (177044941).

1076778899 is an equidigital number, since it uses as much as digits as its factorization.

1076778899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902429.

The product of its (nonzero) digits is 10668672, while the sum is 62.

The square root of 1076778899 is about 32814.3093634469. The cubic root of 1076778899 is about 1024.9645513023.

The spelling of 1076778899 in words is "one billion, seventy-six million, seven hundred seventy-eight thousand, eight hundred ninety-nine".