77233116214661 has 16 divisors (see below), whose sum is σ = 86968141356096. Its totient is φ = 67976541360000.

The previous prime is 77233116214651. The next prime is 77233116214679. The reversal of 77233116214661 is 16641261133277.

It is a cyclic number.

It is not a de Polignac number, because 77233116214661 - 2¹⁰ = 77233116213637 is a prime.

It is a super-3 number, since 3×77233116214661³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77233116214651) 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, 653561510 + ... + 653679671.

It is an arithmetic number, because the mean of its divisors is an integer number (5435508834756).

Almost surely, 2^{77233116214661} is an apocalyptic number.

It is an amenable number.

77233116214661 is a deficient number, since it is larger than the sum of its proper divisors (9735025141435).

77233116214661 is a wasteful number, since it uses less digits than its factorization.

77233116214661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307241364.

The product of its digits is 1524096, while the sum is 50.

The spelling of 77233116214661 in words is "seventy-seven trillion, two hundred thirty-three billion, one hundred sixteen million, two hundred fourteen thousand, six hundred sixty-one".