770377137157 has 8 divisors (see below), whose sum is σ = 777306444120. Its totient is φ = 763449792000.

The previous prime is 770377137097. The next prime is 770377137221. The reversal of 770377137157 is 751731773077.

It can be written as a sum of positive squares in 4 ways, for example, as 16395778116 + 753981359041 = 128046^2 + 868321^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770377137157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770377137098 and 770377137107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770377137557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304219 + ... + 1278007.

It is an arithmetic number, because the mean of its divisors is an integer number (97163305515).

Almost surely, 2^770377137157 is an apocalyptic number.

It is an amenable number.

770377137157 is a deficient number, since it is larger than the sum of its proper divisors (6929306963).

770377137157 is a wasteful number, since it uses less digits than its factorization.

770377137157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980903.

The product of its (nonzero) digits is 5294205, while the sum is 55.

The spelling of 770377137157 in words is "seven hundred seventy billion, three hundred seventy-seven million, one hundred thirty-seven thousand, one hundred fifty-seven".