77912469445358 has 8 divisors (see below), whose sum is σ = 116868750301152. Its totient is φ = 38956219344976.

The previous prime is 77912469445301. The next prime is 77912469445403. The reversal of 77912469445358 is 85354496421977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×77912469445358² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 307691 + ... + 12486777.

It is an arithmetic number, because the mean of its divisors is an integer number (14608593787644).

Almost surely, 2^{77912469445358} is an apocalyptic number.

77912469445358 is a deficient number, since it is larger than the sum of its proper divisors (38956280855794).

77912469445358 is a wasteful number, since it uses less digits than its factorization.

77912469445358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15377706.

The product of its digits is 1828915200, while the sum is 74.

The spelling of 77912469445358 in words is "seventy-seven trillion, nine hundred twelve billion, four hundred sixty-nine million, four hundred forty-five thousand, three hundred fifty-eight".