770927993 has 4 divisors (see below), whose sum is σ = 841012368. Its totient is φ = 700843620.

The previous prime is 770927939. The next prime is 770927999. The reversal of 770927993 is 399729077.

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 770927993 - 2²² = 766733689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770927999) 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, 35042171 + ... + 35042192.

It is an arithmetic number, because the mean of its divisors is an integer number (210253092).

Almost surely, 2^770927993 is an apocalyptic number.

It is an amenable number.

770927993 is a deficient number, since it is larger than the sum of its proper divisors (70084375).

770927993 is a wasteful number, since it uses less digits than its factorization.

770927993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70084374.

The product of its (nonzero) digits is 1500282, while the sum is 53.

The square root of 770927993 is about 27765.5900891733. The cubic root of 770927993 is about 916.9337082186.

The spelling of 770927993 in words is "seven hundred seventy million, nine hundred twenty-seven thousand, nine hundred ninety-three".