777040160401 has 4 divisors (see below), whose sum is σ = 777173152752. Its totient is φ = 776907168052.

The previous prime is 777040160371. The next prime is 777040160443. The reversal of 777040160401 is 104061040777.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 777040160401 - 2¹³ = 777040152209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (777040160201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66487411 + ... + 66499096.

It is an arithmetic number, because the mean of its divisors is an integer number (194293288188).

Almost surely, 2^777040160401 is an apocalyptic number.

It is an amenable number.

777040160401 is a deficient number, since it is larger than the sum of its proper divisors (132992351).

777040160401 is a wasteful number, since it uses less digits than its factorization.

777040160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132992350.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 777040160401 in words is "seven hundred seventy-seven billion, forty million, one hundred sixty thousand, four hundred one".