10077765268 has 6 divisors (see below), whose sum is σ = 17636089226. Its totient is φ = 5038882632.

The previous prime is 10077765259. The next prime is 10077765289. The reversal of 10077765268 is 86256777001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10044449284 + 33315984 = 100222^2 + 5772^2 .

It is a super-2 number, since 2×10077765268² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259720655 + ... + 1259720662.

Almost surely, 2^10077765268 is an apocalyptic number.

It is an amenable number.

10077765268 is a deficient number, since it is larger than the sum of its proper divisors (7558323958).

10077765268 is a wasteful number, since it uses less digits than its factorization.

10077765268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519441321 (or 2519441319 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 10077765268 in words is "ten billion, seventy-seven million, seven hundred sixty-five thousand, two hundred sixty-eight".