78290841075 has 48 divisors (see below), whose sum is σ = 135738916320. Its totient is φ = 39762938880.

The previous prime is 78290841067. The next prime is 78290841107. The reversal of 78290841075 is 57014809287.

It is not a de Polignac number, because 78290841075 - 2³ = 78290841067 is a prime.

It is a super-2 number, since 2×78290841075² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87772 + ... + 405321.

It is an arithmetic number, because the mean of its divisors is an integer number (2827894090).

Almost surely, 2^78290841075 is an apocalyptic number.

78290841075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

78290841075 is a deficient number, since it is larger than the sum of its proper divisors (57448075245).

78290841075 is a wasteful number, since it uses less digits than its factorization.

78290841075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493208 (or 493203 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 78290841075 in words is "seventy-eight billion, two hundred ninety million, eight hundred forty-one thousand, seventy-five".