761380681890 has 32 divisors (see below), whose sum is σ = 1828179403776. Its totient is φ = 202938652160.

The previous prime is 761380681877. The next prime is 761380681927. The reversal of 761380681890 is 98186083167.

It is a self number, because there is not a number n which added to its sum of digits gives 761380681890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5947887 + ... + 6074546.

It is an arithmetic number, because the mean of its divisors is an integer number (57130606368).

Almost surely, 2^761380681890 is an apocalyptic number.

761380681890 is an abundant number, since it is smaller than the sum of its proper divisors (1066798721886).

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

761380681890 is a wasteful number, since it uses less digits than its factorization.

761380681890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12024554.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 761380681890 in words is "seven hundred sixty-one billion, three hundred eighty million, six hundred eighty-one thousand, eight hundred ninety".