1158872077 has 4 divisors (see below), whose sum is σ = 1264224096. Its totient is φ = 1053520060.

The previous prime is 1158872053. The next prime is 1158872119. The reversal of 1158872077 is 7702788511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1158872077 - 2⁷ = 1158871949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158872977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52675993 + ... + 52676014.

It is an arithmetic number, because the mean of its divisors is an integer number (316056024).

Almost surely, 2^1158872077 is an apocalyptic number.

It is an amenable number.

1158872077 is a deficient number, since it is larger than the sum of its proper divisors (105352019).

1158872077 is a wasteful number, since it uses less digits than its factorization.

1158872077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105352018.

The product of its (nonzero) digits is 219520, while the sum is 46.

The square root of 1158872077 is about 34042.2102249545. The cubic root of 1158872077 is about 1050.3769098879.

The spelling of 1158872077 in words is "one billion, one hundred fifty-eight million, eight hundred seventy-two thousand, seventy-seven".