777040160399 has 16 divisors (see below), whose sum is σ = 787532724000. Its totient is φ = 766614191616.

The previous prime is 777040160371. The next prime is 777040160443. The reversal of 777040160399 is 993061040777.

It is a cyclic number.

It is not a de Polignac number, because 777040160399 - 2²⁸ = 776771724943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 777040160399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (777040160899) 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, 32501552 + ... + 32525450.

It is an arithmetic number, because the mean of its divisors is an integer number (49220795250).

Almost surely, 2^777040160399 is an apocalyptic number.

777040160399 is a deficient number, since it is larger than the sum of its proper divisors (10492563601).

777040160399 is a wasteful number, since it uses less digits than its factorization.

777040160399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25274.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The spelling of 777040160399 in words is "seven hundred seventy-seven billion, forty million, one hundred sixty thousand, three hundred ninety-nine".