77000853854 has 4 divisors (see below), whose sum is σ = 115501280784. Its totient is φ = 38500426926.

The previous prime is 77000853851. The next prime is 77000853863. The reversal of 77000853854 is 45835800077.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45835800077 = 43 ⋅1065948839.

It is a junction number, because it is equal to n+sod(n) for n = 77000853799 and 77000853808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77000853851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19250213462 + ... + 19250213465.

It is an arithmetic number, because the mean of its divisors is an integer number (28875320196).

Almost surely, 2^77000853854 is an apocalyptic number.

77000853854 is a deficient number, since it is larger than the sum of its proper divisors (38500426930).

77000853854 is a wasteful number, since it uses less digits than its factorization.

77000853854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38500426929.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 77000853854 in words is "seventy-seven billion, eight hundred fifty-three thousand, eight hundred fifty-four".