2978389011675 has 384 divisors, whose sum is σ = 6344988180480. Its totient is φ = 1197230284800.

The previous prime is 2978389011641. The next prime is 2978389011709. The reversal of 2978389011675 is 5761109838792.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2978389011641) and next prime (2978389011709).

It is not a de Polignac number, because 2978389011675 - 2⁷ = 2978389011547 is a prime.

It is a super-2 number, since 2×2978389011675² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 6115788282 + ... + 6115788768.

It is an arithmetic number, because the mean of its divisors is an integer number (16523406720).

Almost surely, 2^{2978389011675} is an apocalyptic number.

2978389011675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2978389011675 is an abundant number, since it is smaller than the sum of its proper divisors (3366599168805).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2978389011675 is a wasteful number, since it uses less digits than its factorization.

2978389011675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 2978389011675 in words is "two trillion, nine hundred seventy-eight billion, three hundred eighty-nine million, eleven thousand, six hundred seventy-five".