77142413730 has 16 divisors (see below), whose sum is σ = 185141793024. Its totient is φ = 20571310320.

The previous prime is 77142413639. The next prime is 77142413743. The reversal of 77142413730 is 3731424177.

It is a happy 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, 1285706866 + ... + 1285706925.

It is an arithmetic number, because the mean of its divisors is an integer number (11571362064).

Almost surely, 2^77142413730 is an apocalyptic number.

77142413730 is an abundant number, since it is smaller than the sum of its proper divisors (107999379294).

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

77142413730 is a wasteful number, since it uses less digits than its factorization.

77142413730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571413801.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 77142413730 in words is "seventy-seven billion, one hundred forty-two million, four hundred thirteen thousand, seven hundred thirty".