77954527230 has 64 divisors (see below), whose sum is σ = 188139386880. Its totient is φ = 20671621376.

The previous prime is 77954527223. The next prime is 77954527247. The reversal of 77954527230 is 3272545977.

It is a super-2 number, since 2×77954527230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5319994 + ... + 5334626.

It is an arithmetic number, because the mean of its divisors is an integer number (2939677920).

Almost surely, 2^77954527230 is an apocalyptic number.

77954527230 is an abundant number, since it is smaller than the sum of its proper divisors (110184859650).

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

77954527230 is a wasteful number, since it uses less digits than its factorization.

77954527230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 77954527230 in words is "seventy-seven billion, nine hundred fifty-four million, five hundred twenty-seven thousand, two hundred thirty".