767666055 has 32 divisors (see below), whose sum is σ = 1380266496. Its totient is φ = 361494144.

The previous prime is 767666033. The next prime is 767666077. The reversal of 767666055 is 550666767.

It is an interprime number because it is at equal distance from previous prime (767666033) and next prime (767666077).

It is not a de Polignac number, because 767666055 - 2¹⁵ = 767633287 is a prime.

It is a super-2 number, since 2×767666055² = 1178622343998526050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 767665995 and 767666013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81097 + ... + 90066.

It is an arithmetic number, because the mean of its divisors is an integer number (43133328).

Almost surely, 2^767666055 is an apocalyptic number.

767666055 is a deficient number, since it is larger than the sum of its proper divisors (612600441).

767666055 is a wasteful number, since it uses less digits than its factorization.

767666055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171207.

The product of its (nonzero) digits is 1587600, while the sum is 48.

The square root of 767666055 is about 27706.7871648807. The cubic root of 767666055 is about 915.6386416058.

The spelling of 767666055 in words is "seven hundred sixty-seven million, six hundred sixty-six thousand, fifty-five".