77904852207103 has 2 divisors, whose sum is σ = 77904852207104. Its totient is φ = 77904852207102.

The previous prime is 77904852207089. The next prime is 77904852207121. The reversal of 77904852207103 is 30170225840977.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77904852207103 - 2⁴⁵ = 42720480118271 is a prime.

It is a super-2 number, since 2×77904852207103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77904852207173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38952426103551 + 38952426103552.

It is an arithmetic number, because the mean of its divisors is an integer number (38952426103552).

Almost surely, 2^{77904852207103} is an apocalyptic number.

77904852207103 is a deficient number, since it is larger than the sum of its proper divisors (1).

77904852207103 is an equidigital number, since it uses as much as digits as its factorization.

77904852207103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 77904852207103 in words is "seventy-seven trillion, nine hundred four billion, eight hundred fifty-two million, two hundred seven thousand, one hundred three".