74853892666802 has 4 divisors (see below), whose sum is σ = 112280839000206. Its totient is φ = 37426946333400.

The previous prime is 74853892666793. The next prime is 74853892666823. The reversal of 74853892666802 is 20866629835847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47485729398121 + 27368163268681 = 6890989^2 + 5231459^2 .

It is a super-2 number, since 2×74853892666802² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74853892666802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18713473166699 + ... + 18713473166702.

Almost surely, 2^{74853892666802} is an apocalyptic number.

74853892666802 is a deficient number, since it is larger than the sum of its proper divisors (37426946333404).

74853892666802 is a wasteful number, since it uses less digits than its factorization.

74853892666802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37426946333403.

The product of its (nonzero) digits is 1672151040, while the sum is 74.

The spelling of 74853892666802 in words is "seventy-four trillion, eight hundred fifty-three billion, eight hundred ninety-two million, six hundred sixty-six thousand, eight hundred two".