77620014573 has 4 divisors (see below), whose sum is σ = 103493352768. Its totient is φ = 51746676380.

The previous prime is 77620014517. The next prime is 77620014607. The reversal of 77620014573 is 37541002677.

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 77620014573 - 2¹⁶ = 77619949037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77620012573) 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, 12936669093 + ... + 12936669098.

It is an arithmetic number, because the mean of its divisors is an integer number (25873338192).

Almost surely, 2^77620014573 is an apocalyptic number.

It is an amenable number.

77620014573 is a deficient number, since it is larger than the sum of its proper divisors (25873338195).

77620014573 is a wasteful number, since it uses less digits than its factorization.

77620014573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25873338194.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 77620014573 in words is "seventy-seven billion, six hundred twenty million, fourteen thousand, five hundred seventy-three".