77734614006853 has 4 divisors (see below), whose sum is σ = 77735503679328. Its totient is φ = 77733724334380.

The previous prime is 77734614006821. The next prime is 77734614006877. The reversal of 77734614006853 is 35860041643777.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77734614006853 - 2⁵ = 77734614006821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77734614006791 and 77734614006800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77734614406853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444705163 + ... + 444879928.

It is an arithmetic number, because the mean of its divisors is an integer number (19433875919832).

Almost surely, 2^{77734614006853} is an apocalyptic number.

It is an amenable number.

77734614006853 is a deficient number, since it is larger than the sum of its proper divisors (889672475).

77734614006853 is an equidigital number, since it uses as much as digits as its factorization.

77734614006853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889672474.

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 77734614006853 in words is "seventy-seven trillion, seven hundred thirty-four billion, six hundred fourteen million, six thousand, eight hundred fifty-three".