761864397144 has 32 divisors (see below), whose sum is σ = 1904758409520. Its totient is φ = 253941810176.

The previous prime is 761864397137. The next prime is 761864397163. The reversal of 761864397144 is 441793468167.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 326877 + ... + 1276940.

Almost surely, 2^761864397144 is an apocalyptic number.

It is an amenable number.

761864397144 is an abundant number, since it is smaller than the sum of its proper divisors (1142894012376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761864397144 is a wasteful number, since it uses less digits than its factorization.

761864397144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623619 (or 1623615 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 761864397144 in words is "seven hundred sixty-one billion, eight hundred sixty-four million, three hundred ninety-seven thousand, one hundred forty-four".