77373447802 has 16 divisors (see below), whose sum is σ = 132665448960. Its totient is φ = 33153735888.

The previous prime is 77373447787. The next prime is 77373447817. The reversal of 77373447802 is 20874437377.

It is an interprime number because it is at equal distance from previous prime (77373447787) and next prime (77373447817).

It is a self number, because there is not a number n which added to its sum of digits gives 77373447802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449553 + ... + 597364.

It is an arithmetic number, because the mean of its divisors is an integer number (8291590560).

Almost surely, 2^77373447802 is an apocalyptic number.

77373447802 is a deficient number, since it is larger than the sum of its proper divisors (55292001158).

77373447802 is a wasteful number, since it uses less digits than its factorization.

77373447802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052205.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 77373447802 in words is "seventy-seven billion, three hundred seventy-three million, four hundred forty-seven thousand, eight hundred two".