1058506878 has 64 divisors (see below), whose sum is σ = 2554417152. Its totient is φ = 288074880.

The previous prime is 1058506871. The next prime is 1058506903. The reversal of 1058506878 is 8786058501.

It is a super-2 number, since 2×1058506878² = 2240873621546613768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058506871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15075 + ... + 48417.

It is an arithmetic number, because the mean of its divisors is an integer number (39912768).

Almost surely, 2^1058506878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1058506878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277208576).

1058506878 is an abundant number, since it is smaller than the sum of its proper divisors (1495910274).

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

1058506878 is a wasteful number, since it uses less digits than its factorization.

1058506878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33409.

The product of its (nonzero) digits is 537600, while the sum is 48.

The square root of 1058506878 is about 32534.7026726847. The cubic root of 1058506878 is about 1019.1338533279.

The spelling of 1058506878 in words is "one billion, fifty-eight million, five hundred six thousand, eight hundred seventy-eight".