771401027243 has 12 divisors (see below), whose sum is σ = 978920784792. Its totient is φ = 601091709120.

The previous prime is 771401027191. The next prime is 771401027251. The reversal of 771401027243 is 342720104177.

It is not a de Polignac number, because 771401027243 - 2¹⁴ = 771401010859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 771401027197 and 771401027206.

It is not an unprimeable number, because it can be changed into a prime (771401027543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715584830 + ... + 715585907.

It is an arithmetic number, because the mean of its divisors is an integer number (81576732066).

Almost surely, 2^771401027243 is an apocalyptic number.

771401027243 is a deficient number, since it is larger than the sum of its proper divisors (207519757549).

771401027243 is a wasteful number, since it uses less digits than its factorization.

771401027243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431170762 (or 1431170755 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 771401027243 in words is "seven hundred seventy-one billion, four hundred one million, twenty-seven thousand, two hundred forty-three".