775253346470376 has 128 divisors (see below), whose sum is σ = 2008890524256000. Its totient is φ = 249112703895552.

The previous prime is 775253346470371. The next prime is 775253346470443. The reversal of 775253346470376 is 673074643352577.

It is a self number, because there is not a number n which added to its sum of digits gives 775253346470376.

It is not an unprimeable number, because it can be changed into a prime (775253346470371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1784530500 + ... + 1784964876.

It is an arithmetic number, because the mean of its divisors is an integer number (15694457220750).

Almost surely, 2^{775253346470376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 775253346470376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004445262128000).

775253346470376 is an abundant number, since it is smaller than the sum of its proper divisors (1233637177785624).

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

775253346470376 is a wasteful number, since it uses less digits than its factorization.

775253346470376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452971 (or 452967 counting only the distinct ones).

The product of its (nonzero) digits is 1867017600, while the sum is 69.

The spelling of 775253346470376 in words is "seven hundred seventy-five trillion, two hundred fifty-three billion, three hundred forty-six million, four hundred seventy thousand, three hundred seventy-six".