77272088 has 72 divisors (see below), whose sum is σ = 164738700. Its totient is φ = 33881760.

The previous prime is 77272081. The next prime is 77272109. The reversal of 77272088 is 88027277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77272081) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2492633 + ... + 2492663.

Almost surely, 2^77272088 is an apocalyptic number.

It is an amenable number.

77272088 is an abundant number, since it is smaller than the sum of its proper divisors (87466612).

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

77272088 is a wasteful number, since it uses less digits than its factorization.

77272088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 77272088 is about 8790.4543682338. The cubic root of 77272088 is about 425.9326011793.

The spelling of 77272088 in words is "seventy-seven million, two hundred seventy-two thousand, eighty-eight".