769942126 has 4 divisors (see below), whose sum is σ = 1154913192. Its totient is φ = 384971062.

The previous prime is 769942123. The next prime is 769942163. The reversal of 769942126 is 621249967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621249967 = 13 ⋅47788459.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769942123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192485530 + ... + 192485533.

It is an arithmetic number, because the mean of its divisors is an integer number (288728298).

Almost surely, 2^769942126 is an apocalyptic number.

769942126 is a deficient number, since it is larger than the sum of its proper divisors (384971066).

769942126 is a wasteful number, since it uses less digits than its factorization.

769942126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384971065.

The product of its digits is 326592, while the sum is 46.

The square root of 769942126 is about 27747.8310143334. The cubic root of 769942126 is about 916.5426815156.

The spelling of 769942126 in words is "seven hundred sixty-nine million, nine hundred forty-two thousand, one hundred twenty-six".