155477085470 has 32 divisors (see below), whose sum is σ = 338652612288. Its totient is φ = 50170756608.

The previous prime is 155477085431. The next prime is 155477085473. The reversal of 155477085470 is 74580774551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155477085473) 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, 65325317 + ... + 65327696.

It is an arithmetic number, because the mean of its divisors is an integer number (10582894134).

Almost surely, 2^155477085470 is an apocalyptic number.

155477085470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155477085470 is an abundant number, since it is smaller than the sum of its proper divisors (183175526818).

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

155477085470 is a wasteful number, since it uses less digits than its factorization.

155477085470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130653044.

The product of its (nonzero) digits is 5488000, while the sum is 53.

It can be divided in two parts, 15547 and 7085470, that added together give a palindrome (7101017).

The spelling of 155477085470 in words is "one hundred fifty-five billion, four hundred seventy-seven million, eighty-five thousand, four hundred seventy".