395400765878 has 16 divisors (see below), whose sum is σ = 596954707200. Its totient is φ = 196418774376.

The previous prime is 395400765857. The next prime is 395400765931. The reversal of 395400765878 is 878567004593.

It is a super-2 number, since 2×395400765878² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 395400765878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455450 + ... + 999117.

It is an arithmetic number, because the mean of its divisors is an integer number (37309669200).

Almost surely, 2^395400765878 is an apocalyptic number.

395400765878 is a deficient number, since it is larger than the sum of its proper divisors (201553941322).

395400765878 is a wasteful number, since it uses less digits than its factorization.

395400765878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455451.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 395400765878 in words is "three hundred ninety-five billion, four hundred million, seven hundred sixty-five thousand, eight hundred seventy-eight".