402670783915777 has 16 divisors (see below), whose sum is σ = 433729235681280. Its totient is φ = 371624303987712.

The previous prime is 402670783915747. The next prime is 402670783915787. The reversal of 402670783915777 is 777519387076204.

It is a cyclic number.

It is not a de Polignac number, because 402670783915777 - 2²³ = 402670775527169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402670783915717) 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, 3817926198 + ... + 3818031664.

It is an arithmetic number, because the mean of its divisors is an integer number (27108077230080).

It is a 1-persistent number, because it is pandigital, but 2⋅402670783915777 = 805341567831554 is not.

Almost surely, 2^{402670783915777} is an apocalyptic number.

It is an amenable number.

402670783915777 is a deficient number, since it is larger than the sum of its proper divisors (31058451765503).

402670783915777 is a wasteful number, since it uses less digits than its factorization.

402670783915777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159432.

The product of its (nonzero) digits is 871274880, while the sum is 73.

The spelling of 402670783915777 in words is "four hundred two trillion, six hundred seventy billion, seven hundred eighty-three million, nine hundred fifteen thousand, seven hundred seventy-seven".