761458868638 has 32 divisors (see below), whose sum is σ = 1247043079296. Its totient is φ = 346588201728.

The previous prime is 761458868629. The next prime is 761458868657. The reversal of 761458868638 is 836868854167.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21815256 + ... + 21850132.

It is an arithmetic number, because the mean of its divisors is an integer number (38970096228).

Almost surely, 2^761458868638 is an apocalyptic number.

761458868638 is a deficient number, since it is larger than the sum of its proper divisors (485584210658).

761458868638 is a wasteful number, since it uses less digits than its factorization.

761458868638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46468.

The product of its digits is 371589120, while the sum is 70.

The spelling of 761458868638 in words is "seven hundred sixty-one billion, four hundred fifty-eight million, eight hundred sixty-eight thousand, six hundred thirty-eight".