766738887442 has 16 divisors (see below), whose sum is σ = 1258750497312. Its totient is φ = 347382436320.

The previous prime is 766738887437. The next prime is 766738887493. The reversal of 766738887442 is 244788837667.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56755083 + ... + 56768590.

It is an arithmetic number, because the mean of its divisors is an integer number (78671906082).

Almost surely, 2^766738887442 is an apocalyptic number.

766738887442 is a deficient number, since it is larger than the sum of its proper divisors (492011609870).

766738887442 is a wasteful number, since it uses less digits than its factorization.

766738887442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113523993.

The product of its digits is 606928896, while the sum is 70.

The spelling of 766738887442 in words is "seven hundred sixty-six billion, seven hundred thirty-eight million, eight hundred eighty-seven thousand, four hundred forty-two".