770081221354 has 4 divisors (see below), whose sum is σ = 1155121832034. Its totient is φ = 385040610676.

The previous prime is 770081221331. The next prime is 770081221367. The reversal of 770081221354 is 453122180077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453122180077 = 7 ⋅64731740011.

It can be written as a sum of positive squares in only one way, i.e., 736718372329 + 33362849025 = 858323^2 + 182655^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192520305337 + ... + 192520305340.

Almost surely, 2^770081221354 is an apocalyptic number.

770081221354 is a deficient number, since it is larger than the sum of its proper divisors (385040610680).

770081221354 is a wasteful number, since it uses less digits than its factorization.

770081221354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385040610679.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 770081221354 in words is "seven hundred seventy billion, eighty-one million, two hundred twenty-one thousand, three hundred fifty-four".