77357093 has 4 divisors (see below), whose sum is σ = 84389568. Its totient is φ = 70324620.

The previous prime is 77357087. The next prime is 77357107. The reversal of 77357093 is 39075377.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77357093 - 2¹² = 77352997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 77357093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77354093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516221 + ... + 3516242.

It is an arithmetic number, because the mean of its divisors is an integer number (21097392).

Almost surely, 2^77357093 is an apocalyptic number.

It is an amenable number.

77357093 is a deficient number, since it is larger than the sum of its proper divisors (7032475).

77357093 is a wasteful number, since it uses less digits than its factorization.

77357093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032474.

The product of its (nonzero) digits is 138915, while the sum is 41.

The square root of 77357093 is about 8795.2881135299. The cubic root of 77357093 is about 426.0887297083.

The spelling of 77357093 in words is "seventy-seven million, three hundred fifty-seven thousand, ninety-three".