1077878958 has 32 divisors (see below), whose sum is σ = 2335351200. Its totient is φ = 331651008.

The previous prime is 1077878957. The next prime is 1077879013. The reversal of 1077878958 is 8598787701.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077878951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27703 + ... + 54066.

It is an arithmetic number, because the mean of its divisors is an integer number (72979725).

Almost surely, 2^1077878958 is an apocalyptic number.

1077878958 is an abundant number, since it is smaller than the sum of its proper divisors (1257472242).

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

1077878958 is an equidigital number, since it uses as much as digits as its factorization.

1077878958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81813 (or 81787 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 60.

The square root of 1077878958 is about 32831.0669640814. The cubic root of 1077878958 is about 1025.3134739802.

It can be divided in two parts, 107787895 and 8, that added together give a triangular number (107787903 = T₁₄₆₈₂).

The spelling of 1077878958 in words is "one billion, seventy-seven million, eight hundred seventy-eight thousand, nine hundred fifty-eight".