746381947778 has 8 divisors (see below), whose sum is σ = 1143393622272. Its totient is φ = 365250740356.

The previous prime is 746381947777. The next prime is 746381947793. The reversal of 746381947778 is 877749183647.

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

It is a super-2 number, since 2×746381947778² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (746381947777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970116650 + ... + 3970116837.

It is an arithmetic number, because the mean of its divisors is an integer number (142924202784).

Almost surely, 2^746381947778 is an apocalyptic number.

746381947778 is a deficient number, since it is larger than the sum of its proper divisors (397011674494).

746381947778 is a wasteful number, since it uses less digits than its factorization.

746381947778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940233536.

The product of its digits is 398297088, while the sum is 71.

The spelling of 746381947778 in words is "seven hundred forty-six billion, three hundred eighty-one million, nine hundred forty-seven thousand, seven hundred seventy-eight".