1157883870 has 256 divisors, whose sum is σ = 3474938880. Its totient is φ = 242995200.

The previous prime is 1157883863. The next prime is 1157883877. The reversal of 1157883870 is 783887511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1157883863) and next prime (1157883877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157883877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5100697 + ... + 5100923.

It is an arithmetic number, because the mean of its divisors is an integer number (13573980).

Almost surely, 2^1157883870 is an apocalyptic number.

1157883870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157883870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737469440).

1157883870 is an abundant number, since it is smaller than the sum of its proper divisors (2317055010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157883870 is a wasteful number, since it uses less digits than its factorization.

1157883870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 376320, while the sum is 48.

The square root of 1157883870 is about 34027.6926928641. The cubic root of 1157883870 is about 1050.0782617403.

The spelling of 1157883870 in words is "one billion, one hundred fifty-seven million, eight hundred eighty-three thousand, eight hundred seventy".