97767676779 has 16 divisors (see below), whose sum is σ = 131081382432. Its totient is φ = 64816917248.

The previous prime is 97767676763. The next prime is 97767676789.

97767676779 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 97767676779 - 2⁴ = 97767676763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97767676789) 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, 469357 + ... + 644849.

It is an arithmetic number, because the mean of its divisors is an integer number (8192586402).

Almost surely, 2^97767676779 is an apocalyptic number.

97767676779 is a deficient number, since it is larger than the sum of its proper divisors (33313705653).

97767676779 is a wasteful number, since it uses less digits than its factorization.

97767676779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176526.

The product of its digits is 2058386904, while the sum is 78.

The spelling of 97767676779 in words is "ninety-seven billion, seven hundred sixty-seven million, six hundred seventy-six thousand, seven hundred seventy-nine".