767989942 has 24 divisors (see below), whose sum is σ = 1191141000. Its totient is φ = 371149440.

The previous prime is 767989921. The next prime is 767989991. The reversal of 767989942 is 249989767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1538809 + ... + 1539307.

It is an arithmetic number, because the mean of its divisors is an integer number (49630875).

Almost surely, 2^767989942 is an apocalyptic number.

767989942 is a deficient number, since it is larger than the sum of its proper divisors (423151058).

767989942 is a wasteful number, since it uses less digits than its factorization.

767989942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 679 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 61.

The square root of 767989942 is about 27712.6314521014. The cubic root of 767989942 is about 915.7673962697.

The spelling of 767989942 in words is "seven hundred sixty-seven million, nine hundred eighty-nine thousand, nine hundred forty-two".