770123513445 has 128 divisors (see below), whose sum is σ = 1463286988800. Its totient is φ = 340947256320.

The previous prime is 770123513441. The next prime is 770123513459. The reversal of 770123513445 is 544315321077.

It is not a de Polignac number, because 770123513445 - 2² = 770123513441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 770123513397 and 770123513406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770123513441) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 321017356 + ... + 321019754.

It is an arithmetic number, because the mean of its divisors is an integer number (11431929600).

Almost surely, 2^770123513445 is an apocalyptic number.

It is an amenable number.

770123513445 is a deficient number, since it is larger than the sum of its proper divisors (693163475355).

770123513445 is a wasteful number, since it uses less digits than its factorization.

770123513445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 770123513445 in words is "seven hundred seventy billion, one hundred twenty-three million, five hundred thirteen thousand, four hundred forty-five".