770135638612 has 24 divisors (see below), whose sum is σ = 1350779189760. Its totient is φ = 384199000800.

The previous prime is 770135638607. The next prime is 770135638639. The reversal of 770135638612 is 216836531077.

It is a congruent number.

It is an unprimeable number.

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, 12521038 + ... + 12582394.

It is an arithmetic number, because the mean of its divisors is an integer number (56282466240).

Almost surely, 2^770135638612 is an apocalyptic number.

It is an amenable number.

770135638612 is a deficient number, since it is larger than the sum of its proper divisors (580643551148).

770135638612 is a wasteful number, since it uses less digits than its factorization.

770135638612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68391 (or 68389 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 770135638612 in words is "seven hundred seventy billion, one hundred thirty-five million, six hundred thirty-eight thousand, six hundred twelve".