58000505778 has 12 divisors (see below), whose sum is σ = 125667762558. Its totient is φ = 19333501920.

The previous prime is 58000505749. The next prime is 58000505779. The reversal of 58000505778 is 87750500085.

It is a happy number.

58000505778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42364753929 + 15635751849 = 205827^2 + 125043^2 .

It is a super-2 number, since 2×58000505778² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (58000505779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611125143 + ... + 1611125178.

Almost surely, 2^58000505778 is an apocalyptic number.

58000505778 is an abundant number, since it is smaller than the sum of its proper divisors (67667256780).

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

58000505778 is a wasteful number, since it uses less digits than its factorization.

58000505778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222250329 (or 3222250326 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 58000505778 in words is "fifty-eight billion, five hundred five thousand, seven hundred seventy-eight".