77305450377 has 8 divisors (see below), whose sum is σ = 103119410016. Its totient is φ = 51514228832.

The previous prime is 77305450373. The next prime is 77305450379.

It is a happy number.

77305450377 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 77305450377 - 2² = 77305450373 is a prime.

It is a super-2 number, since 2×77305450377² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77305450373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676588 + ... + 5690189.

It is an arithmetic number, because the mean of its divisors is an integer number (12889926252).

Almost surely, 2^77305450377 is an apocalyptic number.

It is an amenable number.

77305450377 is a deficient number, since it is larger than the sum of its proper divisors (25813959639).

77305450377 is a wasteful number, since it uses less digits than its factorization.

77305450377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369047.

The product of its (nonzero) digits is 2160900, while the sum is 48.

The spelling of 77305450377 in words is "seventy-seven billion, three hundred five million, four hundred fifty thousand, three hundred seventy-seven".