771252033136 has 40 divisors (see below), whose sum is σ = 1625837248784. Its totient is φ = 352292751360.

The previous prime is 771252033131. The next prime is 771252033137. The reversal of 771252033136 is 631330252177.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771252033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19092930 + ... + 19133281.

Almost surely, 2^771252033136 is an apocalyptic number.

It is an amenable number.

771252033136 is an abundant number, since it is smaller than the sum of its proper divisors (854585215648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

771252033136 is a wasteful number, since it uses less digits than its factorization.

771252033136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38226329 (or 38226323 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 771252033136 in words is "seven hundred seventy-one billion, two hundred fifty-two million, thirty-three thousand, one hundred thirty-six".