70882778040 has 64 divisors (see below), whose sum is σ = 213750208800. Its totient is φ = 18804129792.

The previous prime is 70882778017. The next prime is 70882778041. The reversal of 70882778040 is 4087728807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70882778041) 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, 1507125 + ... + 1553444.

Almost surely, 2^70882778040 is an apocalyptic number.

It is an amenable number.

70882778040 is an abundant number, since it is smaller than the sum of its proper divisors (142867430760).

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

70882778040 is a wasteful number, since it uses less digits than its factorization.

70882778040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060776 (or 3060772 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The spelling of 70882778040 in words is "seventy billion, eight hundred eighty-two million, seven hundred seventy-eight thousand, forty".