77477342 has 8 divisors (see below), whose sum is σ = 116806536. Its totient is φ = 38541832.

The previous prime is 77477333. The next prime is 77477353. The reversal of 77477342 is 24377477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77477342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97928 + ... + 98715.

It is an arithmetic number, because the mean of its divisors is an integer number (14600817).

Almost surely, 2^77477342 is an apocalyptic number.

77477342 is a deficient number, since it is larger than the sum of its proper divisors (39329194).

77477342 is a wasteful number, since it uses less digits than its factorization.

77477342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196842.

The product of its digits is 230496, while the sum is 41.

The square root of 77477342 is about 8802.1214488327. The cubic root of 77477342 is about 426.3093956097.

The spelling of 77477342 in words is "seventy-seven million, four hundred seventy-seven thousand, three hundred forty-two".