77235397 has 8 divisors (see below), whose sum is σ = 77783040. Its totient is φ = 76690320.

The previous prime is 77235383. The next prime is 77235409. The reversal of 77235397 is 79353277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77235397 - 2⁷ = 77235269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77205397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161004 + ... + 161482.

It is an arithmetic number, because the mean of its divisors is an integer number (9722880).

Almost surely, 2^77235397 is an apocalyptic number.

It is an amenable number.

77235397 is a deficient number, since it is larger than the sum of its proper divisors (547643).

77235397 is a wasteful number, since it uses less digits than its factorization.

77235397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its digits is 277830, while the sum is 43.

The square root of 77235397 is about 8788.3671407150. The cubic root of 77235397 is about 425.8651755079.

The spelling of 77235397 in words is "seventy-seven million, two hundred thirty-five thousand, three hundred ninety-seven".