77627097 has 6 divisors (see below), whose sum is σ = 112128042. Its totient is φ = 51751392.

The previous prime is 77627087. The next prime is 77627101. The reversal of 77627097 is 79072677.

It can be written as a sum of positive squares in only one way, i.e., 62346816 + 15280281 = 7896^2 + 3909^2 .

It is not a de Polignac number, because 77627097 - 2⁸ = 77626841 is a prime.

It is a super-3 number, since 3×77627097³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (77627057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4312608 + ... + 4312625.

It is an arithmetic number, because the mean of its divisors is an integer number (18688007).

Almost surely, 2^77627097 is an apocalyptic number.

It is an amenable number.

77627097 is a deficient number, since it is larger than the sum of its proper divisors (34500945).

77627097 is a wasteful number, since it uses less digits than its factorization.

77627097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625239 (or 8625236 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 77627097 is about 8810.6240982123. The cubic root of 77627097 is about 426.5838882243.

The spelling of 77627097 in words is "seventy-seven million, six hundred twenty-seven thousand, ninety-seven".