1078974558 has 24 divisors (see below), whose sum is σ = 2338623768. Its totient is φ = 359528112.

The previous prime is 1078974509. The next prime is 1078974563. The reversal of 1078974558 is 8554798701.

1078974558 is a `hidden beast` number, since 1 + 0 + 7 + 89 + 7 + 4 + 558 = 666.

It is a super-2 number, since 2×1078974558² = 2328372193622590728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49341 + ... + 67767.

It is an arithmetic number, because the mean of its divisors is an integer number (97442657).

Almost surely, 2^1078974558 is an apocalyptic number.

1078974558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1078974558 is an abundant number, since it is smaller than the sum of its proper divisors (1259649210).

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

1078974558 is a wasteful number, since it uses less digits than its factorization.

1078974558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21688 (or 21685 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The square root of 1078974558 is about 32847.7481419960. The cubic root of 1078974558 is about 1025.6607464477.

The spelling of 1078974558 in words is "one billion, seventy-eight million, nine hundred seventy-four thousand, five hundred fifty-eight".