77305410039 has 32 divisors (see below), whose sum is σ = 121145117184. Its totient is φ = 43229450880.

The previous prime is 77305410011. The next prime is 77305410107. The reversal of 77305410039 is 93001450377.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-77305410039 is a prime.

It is a super-2 number, since 2×77305410039² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 77305409979 and 77305410006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77305415039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008502 + ... + 1082444.

It is an arithmetic number, because the mean of its divisors is an integer number (3785784912).

Almost surely, 2^77305410039 is an apocalyptic number.

77305410039 is a deficient number, since it is larger than the sum of its proper divisors (43839707145).

77305410039 is a wasteful number, since it uses less digits than its factorization.

77305410039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76407.

The product of its (nonzero) digits is 79380, while the sum is 39.

The spelling of 77305410039 in words is "seventy-seven billion, three hundred five million, four hundred ten thousand, thirty-nine".