977765432111 has 8 divisors (see below), whose sum is σ = 1059064739040. Its totient is φ = 897335636832.

The previous prime is 977765432099. The next prime is 977765432117. The reversal of 977765432111 is 111234567779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 977765432111 - 2¹⁰ = 977765431087 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977765432117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217375571 + ... + 217380068.

It is an arithmetic number, because the mean of its divisors is an integer number (132383092380).

Almost surely, 2^977765432111 is an apocalyptic number.

977765432111 is a deficient number, since it is larger than the sum of its proper divisors (81299306929).

977765432111 is a wasteful number, since it uses less digits than its factorization.

977765432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434755825.

The product of its digits is 2222640, while the sum is 53.

The spelling of 977765432111 in words is "nine hundred seventy-seven billion, seven hundred sixty-five million, four hundred thirty-two thousand, one hundred eleven".