58277778 has 32 divisors (see below), whose sum is σ = 126151872. Its totient is φ = 17841600.

The previous prime is 58277777. The next prime is 58277789. The reversal of 58277778 is 87777285.

It is a self number, because there is not a number n which added to its sum of digits gives 58277778.

It is not an unprimeable number, because it can be changed into a prime (58277773) 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, 14688 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (3942246).

Almost surely, 2^58277778 is an apocalyptic number.

58277778 is an abundant number, since it is smaller than the sum of its proper divisors (67874094).

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

58277778 is a wasteful number, since it uses less digits than its factorization.

58277778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770.

The product of its digits is 1536640, while the sum is 51.

The square root of 58277778 is about 7633.9883416206. The cubic root of 58277778 is about 387.7046366932.

The spelling of 58277778 in words is "fifty-eight million, two hundred seventy-seven thousand, seven hundred seventy-eight".