84378464762 has 4 divisors (see below), whose sum is σ = 126567697146. Its totient is φ = 42189232380.

The previous prime is 84378464761. The next prime is 84378464767. The reversal of 84378464762 is 26746487348.

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., 79293491281 + 5084973481 = 281591^2 + 71309^2 .

It is not an unprimeable number, because it can be changed into a prime (84378464761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21094616189 + ... + 21094616192.

Almost surely, 2^84378464762 is an apocalyptic number.

84378464762 is a deficient number, since it is larger than the sum of its proper divisors (42189232384).

84378464762 is a wasteful number, since it uses less digits than its factorization.

84378464762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42189232383.

The product of its digits is 43352064, while the sum is 59.

The spelling of 84378464762 in words is "eighty-four billion, three hundred seventy-eight million, four hundred sixty-four thousand, seven hundred sixty-two".