77038268402 has 8 divisors (see below), whose sum is σ = 117737731116. Its totient is φ = 37792358032.

The previous prime is 77038268353. The next prime is 77038268521. The reversal of 77038268402 is 20486283077.

It can be written as a sum of positive squares in 2 ways, for example, as 73559745961 + 3478522441 = 271219^2 + 58979^2 .

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

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, 363387953 + ... + 363388164.

Almost surely, 2^77038268402 is an apocalyptic number.

77038268402 is a deficient number, since it is larger than the sum of its proper divisors (40699462714).

77038268402 is a wasteful number, since it uses less digits than its factorization.

77038268402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726776172.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 77038268402 in words is "seventy-seven billion, thirty-eight million, two hundred sixty-eight thousand, four hundred two".