77990210123311 has 16 divisors (see below), whose sum is σ = 80775589685760. Its totient is φ = 75211257058560.

The previous prime is 77990210123251. The next prime is 77990210123317. The reversal of 77990210123311 is 11332101209977.

It is a cyclic number.

It is not a de Polignac number, because 77990210123311 - 2¹⁹ = 77990209599023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77990210123317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199150066 + ... + 199541296.

It is an arithmetic number, because the mean of its divisors is an integer number (5048474355360).

Almost surely, 2^{77990210123311} is an apocalyptic number.

77990210123311 is a deficient number, since it is larger than the sum of its proper divisors (2785379562449).

77990210123311 is a wasteful number, since it uses less digits than its factorization.

77990210123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399426.

The product of its (nonzero) digits is 142884, while the sum is 46.

The spelling of 77990210123311 in words is "seventy-seven trillion, nine hundred ninety billion, two hundred ten million, one hundred twenty-three thousand, three hundred eleven".