70400016678 has 32 divisors (see below), whose sum is σ = 145697414400. Its totient is φ = 22650911136.

The previous prime is 70400016677. The next prime is 70400016679. The reversal of 70400016678 is 87661000407.

It is an interprime number because it is at equal distance from previous prime (70400016677) and next prime (70400016679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70400016671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562425 + ... + 676107.

It is an arithmetic number, because the mean of its divisors is an integer number (4553044200).

Almost surely, 2^70400016678 is an apocalyptic number.

70400016678 is an abundant number, since it is smaller than the sum of its proper divisors (75297397722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70400016678 is a wasteful number, since it uses less digits than its factorization.

70400016678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117276.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 70400016678 in words is "seventy billion, four hundred million, sixteen thousand, six hundred seventy-eight".