1058694678 has 16 divisors (see below), whose sum is σ = 2352654960. Its totient is φ = 352898208.

The previous prime is 1058694629. The next prime is 1058694683. The reversal of 1058694678 is 8764968501.

1058694678 is a `hidden beast` number, since 10 + 586 + 9 + 46 + 7 + 8 = 666.

It is a super-2 number, since 2×1058694678² = 2241668842451047368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 19605457 = 1058694678 / (1 + 0 + 5 + 8 + 6 + 9 + 4 + 6 + 7 + 8).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802675 + ... + 9802782.

It is an arithmetic number, because the mean of its divisors is an integer number (147040935).

Almost surely, 2^1058694678 is an apocalyptic number.

1058694678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1058694678 is an abundant number, since it is smaller than the sum of its proper divisors (1293960282).

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

1058694678 is a wasteful number, since it uses less digits than its factorization.

1058694678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19605468 (or 19605462 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 1058694678 is about 32537.5886936939. The cubic root of 1058694678 is about 1019.1941212467.

The spelling of 1058694678 in words is "one billion, fifty-eight million, six hundred ninety-four thousand, six hundred seventy-eight".