1157678890 has 16 divisors (see below), whose sum is σ = 2084618880. Its totient is φ = 462894480.

The previous prime is 1157678857. The next prime is 1157678897. The reversal of 1157678890 is 988767511.

1157678890 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1157678897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7171 + ... + 48649.

It is an arithmetic number, because the mean of its divisors is an integer number (130288680).

Almost surely, 2^1157678890 is an apocalyptic number.

1157678890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157678890 is a deficient number, since it is larger than the sum of its proper divisors (926939990).

1157678890 is a wasteful number, since it uses less digits than its factorization.

1157678890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44277.

The product of its (nonzero) digits is 846720, while the sum is 52.

The square root of 1157678890 is about 34024.6806009990. The cubic root of 1157678890 is about 1050.0162930200.

The spelling of 1157678890 in words is "one billion, one hundred fifty-seven million, six hundred seventy-eight thousand, eight hundred ninety".