77830553058 has 32 divisors (see below), whose sum is σ = 159180215040. Its totient is φ = 25358438400.

The previous prime is 77830553051. The next prime is 77830553069. The reversal of 77830553058 is 85035503877.

It is a happy number.

It is a super-3 number, since 3×77830553058³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77830553058.

It is not an unprimeable number, because it can be changed into a prime (77830553051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37408 + ... + 396308.

It is an arithmetic number, because the mean of its divisors is an integer number (4974381720).

Almost surely, 2^77830553058 is an apocalyptic number.

77830553058 is an abundant number, since it is smaller than the sum of its proper divisors (81349661982).

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

77830553058 is a wasteful number, since it uses less digits than its factorization.

77830553058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359722.

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 77830553058 in words is "seventy-seven billion, eight hundred thirty million, five hundred fifty-three thousand, fifty-eight".