386769460978 has 8 divisors (see below), whose sum is σ = 580187553372. Its totient is φ = 193373609856.

The previous prime is 386769460951. The next prime is 386769460991. The reversal of 386769460978 is 879064967683.

It can be written as a sum of positive squares in 2 ways, for example, as 384168154969 + 2601306009 = 619813^2 + 51003^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 386769460978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516775 + ... + 5586442.

Almost surely, 2^386769460978 is an apocalyptic number.

386769460978 is a deficient number, since it is larger than the sum of its proper divisors (193418092394).

386769460978 is a wasteful number, since it uses less digits than its factorization.

386769460978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11120636.

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 386769460978 in words is "three hundred eighty-six billion, seven hundred sixty-nine million, four hundred sixty thousand, nine hundred seventy-eight".