77045653617406 has 8 divisors (see below), whose sum is σ = 117293383119240. Its totient is φ = 37947859244328.

The previous prime is 77045653617371. The next prime is 77045653617407. The reversal of 77045653617406 is 60471635654077.

77045653617406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77045653617407) 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, 287483782021 + ... + 287483782288.

It is an arithmetic number, because the mean of its divisors is an integer number (14661672889905).

Almost surely, 2^{77045653617406} is an apocalyptic number.

77045653617406 is a deficient number, since it is larger than the sum of its proper divisors (40247729501834).

77045653617406 is a wasteful number, since it uses less digits than its factorization.

77045653617406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574967564378.

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 77045653617406 in words is "seventy-seven trillion, forty-five billion, six hundred fifty-three million, six hundred seventeen thousand, four hundred six".