73857070770378 has 64 divisors (see below), whose sum is σ = 170778523806720. Its totient is φ = 20857615339392.

The previous prime is 73857070770341. The next prime is 73857070770383. The reversal of 73857070770378 is 87307707075837.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16558363 + ... + 20540046.

It is an arithmetic number, because the mean of its divisors is an integer number (2668414434480).

Almost surely, 2^{73857070770378} is an apocalyptic number.

73857070770378 is an abundant number, since it is smaller than the sum of its proper divisors (96921453036342).

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

73857070770378 is a wasteful number, since it uses less digits than its factorization.

73857070770378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37098971.

The product of its (nonzero) digits is 338829120, while the sum is 69.

The spelling of 73857070770378 in words is "seventy-three trillion, eight hundred fifty-seven billion, seventy million, seven hundred seventy thousand, three hundred seventy-eight".