77913241330 has 16 divisors (see below), whose sum is σ = 140351987160. Its totient is φ = 31141262592.

The previous prime is 77913241327. The next prime is 77913241363. The reversal of 77913241330 is 3314231977.

It can be written as a sum of positive squares in 4 ways, for example, as 76524710161 + 1388531169 = 276631^2 + 37263^2 .

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, 2990625 + ... + 3016564.

Almost surely, 2^77913241330 is an apocalyptic number.

77913241330 is a deficient number, since it is larger than the sum of its proper divisors (62438745830).

77913241330 is a wasteful number, since it uses less digits than its factorization.

77913241330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008493.

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 77913241330 in words is "seventy-seven billion, nine hundred thirteen million, two hundred forty-one thousand, three hundred thirty".